Uploaded May 2024 | Updated September 2026, 2 weeks ago
Check out my 2nd channel, TT Racing: youtube.com/@TTRacingYT
Previously I enjoyed building a custom 18650 battery for my portable Monoprice Mini delta 3D printer. And then some of the cells failed, limiting overall voltage and making my charger unhappy. I wanted to build a replacement that is serviceable, as a trial run for a much bigger, more expensive and powerful battery I’ve had planned for way too long. In this video, I present you with my experimental build and how I have tried to solve some problems with this approach.
This is not intended as a guide! This method is currently unproven.
My MPMD no longer uses a heated bed, so this battery will have a very easy life. The future battery however, has 320 cells configured to produce 72V and a lot more current. Please help me refine the concept in readiness for that.
0:00 Introduction
0:51 The traditional way
Previous 18650 battery building video: youtu.be/tKg-jIrr_JE
2:28 The problem
3:28 My ‘new’ concept
Vruzend: vruzend.com
Camping powerbank video: youtu.be/6b0nyNW4YMo
5:34 Ampacity
Calculator: electrical4u.net/calculator/busbar-current-calculator-online
6:27 Solving terminal contact consistency
MG Chemicals 847: mgchemicals.com/products/grease-for-electronics/electrically-conductive-grease/conductive-paste
8481: mgchemicals.com/products/grease-for-electronics/electrically-conductive-grease/conductive-grease
846: mgchemicals.com/products/grease-for-electronics/electrically-conductive-grease/carbon-conductive-grease
8:21 Design and Manufacture
Kiri:Moto: https://grid.space/kiri/
Purchase the Carvera CNC (affiliate): bit.ly/3CVfsq3
Use code 'TeachingTech' for a small discount.
9:44 Assembly
11:58 Evaluation and future tweaks
13:49 Conclusion
Green tick used in thumbnail: commons.wikimedia.org/wiki/File:Green_tick.svg
Buy quality and affordable filament from X3D. Buy 3, get 1 free and a free sample pack with every order: www.x3d.com.au
Get Quality Resins from 3D Printers Online. 5% off storewide for Teaching Tech subscribers [Code: tech5]
https://3dprintersonline.com.au/
Take a look around and if you like what you see, please subscribe.
Support me on Patreon: patreon.com/teachingtech
Check out my 2nd channel, TT Racing: youtube.com/@TTRacingYT
Previously I enjoyed building a custom 18650 battery for my portable Monoprice Mini delta 3D printer. And then some of the cells failed, limiting overall voltage and making my charger unhappy. I wanted to build a replacement that is serviceable, as a trial run for a much bigger, more expensive and powerful battery I’ve had planned for way too long. In this video, I present you with my experimental build and how I have tried to solve some problems with this approach.
This is not intended as a guide! This method is currently unproven.
My MPMD no longer uses a heated bed, so this battery will have a very easy life. The future battery however, has 320 cells configured to produce 72V and a lot more current. Please help me refine the concept in readiness for that.
0:00 Introduction
0:51 The traditional way
Previous 18650 battery building video: youtu.be/tKg-jIrr_JE
2:28 The problem
3:28 My ‘new’ concept
Vruzend: vruzend.com
Camping powerbank video: youtu.be/6b0nyNW4YMo
5:34 Ampacity
Calculator: electrical4u.net/calculator/busbar-current-calculator-online
6:27 Solving terminal contact consistency
MG Chemicals 847: mgchemicals.com/products/grease-for-electronics/electrically-conductive-grease/conductive-paste
8481: mgchemicals.com/products/grease-for-electronics/electrically-conductive-grease/conductive-grease
846: mgchemicals.com/products/grease-for-electronics/electrically-conductive-grease/carbon-conductive-grease
8:21 Design and Manufacture
Kiri:Moto: https://grid.space/kiri/
Purchase the Carvera CNC (affiliate): bit.ly/3CVfsq3
Use code 'TeachingTech' for a small discount.
9:44 Assembly
11:58 Evaluation and future tweaks
13:49 Conclusion
Green tick used in thumbnail: commons.wikimedia.org/wiki/File:Green_tick.svg
Buy quality and affordable filament from X3D. Buy 3, get 1 free and a free sample pack with every order: www.x3d.com.au
Get Quality Resins from 3D Printers Online. 5% off storewide for Teaching Tech subscribers [Code: tech5]
https://3dprintersonline.com.au/
Take a look around and if you like what you see, please subscribe.
Support me on Patreon: patreon.com/teachingtech
![Use up your nearly empty spools efficiently
#shorts
Thanks to my buddy Myles for reminding me about this feature. Thanks to my patron Ian for requesting the printing of this skateboard mold: https://www.goodroadscollective.com/open-source-skateboard-mold
Previous videos on the Palette 2:
https://youtu.be/_mnuhgSYDvw
https://youtu.be/GTpnj8vUvoQ
Buy quality and affordable filament from X3D. Buy 3, get 1 free and a free sample pack with every order: www.x3d.com.au
Get Quality Resins from 3D Printers Online. 5% off storewide for Teaching Tech subscribers [Code: tech5]
https://3dprintersonline.com.au/
Take a look around and if you like what you see, please subscribe.
Support me on Patreon: http://www.patreon.com/teachingtech Use up your nearly empty spools efficiently](https://i.ytimg.com/vi/LToQBMKfInA/mqdefault.jpg)
![How to modify an STL or mesh - 3D design for 3D printing pt7
To get the best out of 3D printing, it helps if you can design your own parts. In this tutorial series, we will learn to use a free 3D CAD program to do just that.
In this episode, we look at situations where a model has already been designed that we want to modify, but the author has not made source CAD available, so all we have is an STL. Onshape has improved its functionality and it’s now possible to add and subtract geometry from STLs and other meshes. We also briefly look at working with a 3D scanned mesh.
0:00 Introduction
3D design for 3D printing Onshape playlist: https://www.youtube.com/playlist?list=PLGqRUdq5ULsONnjEEPeBxxStEsobDKAtV
Direct link to create a free account: https://www.onshape.com/en/products/free
Source CAD for tutorials: https://cad.onshape.com/documents/b5475ccd1f83733e348c59b0/w/f0f78c61f2ac76b0b03c0692/e/2693d666ff5f1d3749f8b85d?renderMode=0&uiState=62fb0fbda209767dfe1e6bf0
0:46 What we are designing/modifying
Ender 3 electronics case video: https://youtu.be/k83M5H796U8
Ender 3 electronics case on Printables: https://www.printables.com/model/180138-ender-3-all-in-one-universal-rear-electronics-case
1:46 Taking measurements
Digital calipers on Amazon : https://amzn.to/3Bu6yjN
2:01 Importing STLs into Onshape
3:24 Taking measurements from the STL
4:23 Sketching on the STL snapping to vertices
6:24 Removing portions from the STL
7:10 Adding parts to the STL
8:18 Limitations and workarounds
9:57 Slicing, and test print
10:38 Modifying a more difficult shape - electronics case
Mesh friendly boolean FeatureScript by mbartlett21: https://cad.onshape.com/documents/84d939daceef6a928b8abcba/v/cc61d2dc258bf444bbef75a5/e/7c5dcdb503f7e2f6ddba9d30
12:36 Working with a 3D scanned mesh
Thanks to Andy for providing the 3D scan.
Buy quality and affordable filament from X3D. Buy 3, get 1 free and a free sample pack with every order: www.x3d.com.au
Get Quality Resins from 3D Printers Online. 5% off storewide for Teaching Tech subscribers [Code: tech5]
https://3dprintersonline.com.au/
Take a look around and if you like what you see, please subscribe.
Support me on Patreon: http://www.patreon.com/teachingtech How to modify an STL or mesh - 3D design for 3D printing pt7](https://i.ytimg.com/vi/Lm_uuB9_2yg/mqdefault.jpg)
![How to design and 3D print custom vacuum cleaner nozzles
Check out my 2nd channel, TT Racing: https://www.youtube.com/@TTRacingYT
Sometimes you need a vacuum cleaner attachment that doesn’t exist. With 3D printing, you can make it yourself to your exact specification. In this video, we cover how to design several custom nozzles in CAD. This video details the workflow in Onshape, but the principles should translate to other CAD too.
0:00 Introduction
Onshape CAD playlist: https://www.youtube.com/playlist?list=PLGqRUdq5ULsONnjEEPeBxxStEsobDKAtV
Tutorial CAD document: https://cad.onshape.com/documents/b5475ccd1f83733e348c59b0/w/f0f78c61f2ac76b0b03c0692/e/9ff137a70cde8a46e2b32987?renderMode=0&uiState=67e61bbc7834923a3f4aa39b
0:50 Measuring your vacuum
1:15 Filament choice
1:32 Simple fitment model
3:04 Recreating a generic nozzle
7:06 Wide and thin nozzle
11:24 PTFE tube sucker
16:42 Brush equivalent
18:12 Conclusion
Buy quality and affordable filament from www.x3d.com.au . Viewers get 5% off all X3D filaments and accessories with code T-Tech5
Get Quality Resins from 3D Printers Online. 5% off storewide for Teaching Tech subscribers [Code: tech5]
https://3dprintersonline.com.au/
Take a look around and if you like what you see, please subscribe.
Support me on Patreon: http://www.patreon.com/teachingtech How to design and 3D print custom vacuum cleaner nozzles](https://i.ytimg.com/vi/MAkgKAmPILI/mqdefault.jpg)
![Magneto X linear motors: Deep dive and performance testing
Check out my 2nd channel, TT Racing: https://www.youtube.com/@ttracingYT
After my first Magneto X video, many viewers had questions and requests regarding the linear motors. In this video, we take a detailed look at how they work, what each electronics component does, and stress test across a range of areas to see if linear motors are a worthwhile advancement for 3D printing, or just a gimmick.
Thanks to all of the people who asked questions in the first video, and to the Peopoly engineers who then answered my questions.
This 3D printer was sent to me free of charge by Peopoly, so I could provide feedback and suggest improvements for production models. There was originally no request to produce any videos about the Magneto X. After the first video, many viewers requested more information on the linear motors, prompting this follow up. All opinions expressed are my own.
0:00 Introduction
First Magneto X testing video: https://youtu.be/seIFIgBlKvM
0:47 What are linear motors?
Linear motor explainer by Lesics: https://www.youtube.com/watch?v=uf_Z57gAJTc
2:48 How are these controlled by Klipper?
3:18 Electronics deep dive
5:39 Compatibility with input shaping
Klipper input shaping guide: https://youtu.be/EJapxNsntsQ
6:35 Updates and calibration
7:44 Are linear motors worth it?
ANCA Linear motor CNC: https://machines.anca.com/Products/Machines/FX3-Linear
Magneto X store page: https://peopoly.net/products/magneto-x
8:31 Volume
9:03 Repeatability
9:34 VFAs and reliability
Patricks Bambu Lab belt tensioning tools: https://www.printables.com/model/459456-bambu-lab-printer-x-y-squareness-check-adapters
11:03 Accuracy and skew - CaliFlower calibration test
Vector3D CaliFlower: https://vector3d.shop/products/califlower-calibration
12:09 Closed loop correction and speed/acceleration testing
Ellis3DP page: https://ellis3dp.com/Print-Tuning-Guide/articles/determining_max_speeds_accels.html
15:44 Temperature concerns with an enclosure
17:20 Opportunity for separate linear motor projects
Conclusion
Peopoly blog: https://peopoly.net/blogs/news/march-2024-magneto-x-production-and-product-update
Buy quality and affordable filament from X3D. Buy 3, get 1 free and a free sample pack with every order: www.x3d.com.au
Get Quality Resins from 3D Printers Online. 5% off storewide for Teaching Tech subscribers [Code: tech5]
https://3dprintersonline.com.au/
Take a look around and if you like what you see, please subscribe.
Support me on Patreon: http://www.patreon.com/teachingtech Magneto X linear motors: Deep dive and performance testing](https://i.ytimg.com/vi/MKkJZKOVexA/mqdefault.jpg)
![Can FOSS CAD compete? Trying out Ondsel (improved FreeCAD)
Check out my 2nd channel, TT Racing: https://www.youtube.com/@ttracingYT
I prefer to use free and open source options when I can, but when it comes to CAD I use the free but proprietary Onshape. I’ve previously tried but didn’t enjoy FreeCAD, but now we have Ondsel, an improved version that fixes problems and addresses community requests.
In this video, I compare Ondsel to FreeCAD, Onshape and even Fusion360 (this is the most I’ve ever used it). Trying to separate frustrations from being unfamiliar, I make a list of what works well, what is limited, and what still needs to be improved.
I really despise pointing out flaws in something free and open source, but I’ve tried to do so constructively, providing specific examples where these limitations are a problem. I’m sure some FreeCAd advocates will be upset over my conclusion, but the way it and Ondsel approach 3D modelling is quite different from Onshape/Fusion360/Inventor/Solidworks/SolidEdge/etc. They have converged on an intuitive and logical approach. FreeCAD/Ondsel deviates from this, but is it an improvement or hindrance?
Thanks to my patrons Derek and Novaplusplus for their assistance in making this video.
0:00 Introduction
0:47 Ondsel
FreeCAD: https://www.freecad.org/
Ondsel: https://ondsel.com/
1:44 Download and installation
2:02 Simple reference shape in Onshape
2:42 Comparison in Ondsel, FreeCAD and Fusion360
5:59 Temporary inconveniences vs actual limitations
6:45 Missing constraints and editing sketches
7:40 Only one shape/feature per sketch
10:38 Manual management of bodies
11:51 No timeline
12:56 Topological naming problem
13:30 The value of open source vs productivity
Scales image by Clker-Free-Vector-Images: https://commons.wikimedia.org/wiki/File:Balance_scales_symbol.svg
14:20 Ondsel improvements over FreeCAD
14:49 Ondsel wishlist
15:59 Conclusion
Onshape CAD series: https://www.youtube.com/playlist?list=PLGqRUdq5ULsONnjEEPeBxxStEsobDKAtV
Buy quality and affordable filament from X3D. Buy 3, get 1 free and a free sample pack with every order: www.x3d.com.au
Get Quality Resins from 3D Printers Online. 5% off storewide for Teaching Tech subscribers [Code: tech5]
https://3dprintersonline.com.au/
Take a look around and if you like what you see, please subscribe.
Support me on Patreon: http://www.patreon.com/teachingtech Can FOSS CAD compete? Trying out Ondsel (improved FreeCAD)](https://i.ytimg.com/vi/MVp8fF2LmM8/mqdefault.jpg)
![Orca Slicer advanced guide - Inc. Filament Library
Check out my 2nd channel, TT Racing: https://www.youtube.com/@TTRacingYT
Orca Slicer is my favourite piece of 3D printing software. Previously, I made a getting started guide, and by Patron request, this time I present a guide for advanced users. Hopefully there is something new for everyone, especially considering the material sharing system is a fresh feature from version 2.3.0.
0:00 Introduction
0:43 Security warning
Orca Slicer website: https://orcaslicer.com/
Orca Slicer GitHub: https://github.com/SoftFever/OrcaSlicer
0:59 Getting started
Getting started guide: https://youtu.be/cquTCpz1V74
1:37 Print by object
Bambu Studio wiki: https://wiki.bambulab.com/en/software/bambu-studio/sequent-print
5:00 Per object settings
5:33 Filament library and filament sharing
12:24 Project/3MF files
15:09 Sharing and comparing profiles with others
16:26 Conclusion
Buy quality and affordable filament from www.x3d.com.au . Viewers get 5% off all X3D filaments and accessories with code T-Tech5
Get Quality Resins from 3D Printers Online. 5% off storewide for Teaching Tech subscribers [Code: tech5]
https://3dprintersonline.com.au/
Take a look around and if you like what you see, please subscribe.
Support me on Patreon: http://www.patreon.com/teachingtech Orca Slicer advanced guide - Inc. Filament Library](https://i.ytimg.com/vi/MqQak88YafU/mqdefault.jpg)
![Bambu Studio OrcaSlicer (SoftFever) fork: An advanced slicer for many 3D printers
Team statement: Please be aware that orcaslicer . net is NOT an official website for OrcaSlicer and may be potentially malicious. This site appears to use AI-generated content, lacking genuine context, and seems to exist solely to profit from advertisements. Worse, it may redirect download links to harmful sources. For your safety, avoid downloading OrcaSlicer from this site as the links may be compromised.
The only official platforms for OrcaSlicer are our GitHub project page and the official Discord channel.
My patron Leo told me about the SoftFever fork of Bambu Studio (now renamed OrcaSlicer), the open source slicer used by Bambu Labs. This version adds some new slicer settings, support for more 3D printers and in-built calibration test prints. In this video, I show how to download and install, and test it on the X1C, P1P, Rat Rig V-core 3 and Ender 3.
These tests show me that the preset profiles offer a solid starting point for many printers. At the moment I’m using SuperSlicer and Bambu Studio to cover my various printers. I will now use SoftFever and Superslicer, with a view to switch to SoftFever if more printers are added and SuperSlicer continues to stagnate.
0:00 Introduction
0:51 Downloading and installation
Bambu Studio slicer: https://github.com/bambulab/BambuStudio
Bambu Studio OrcaSlicer SoftFever fork: https://github.com/SoftFever/OrcaSlicer
2:39 Vanilla vs OrcaSlicer comparison
4:36 Bambu Lab test print comparison
Print in place kaleidocycle by ecoiras: https://www.printables.com/model/56738-print-in-place-kaleidocycle
6:10 3rd party (Rat Rig V-core 3) print comparison
Rat Rig v-core 3 build playlist: https://www.youtube.com/watch?v=XoTxFs3BGuk&list=PLGqRUdq5ULsO0oLRZ1wiYvvpbhj4EV-Nf
9:40 Ender 3 TPU test
11:31 Inbuilt calibration tools
15:49 Conclusion
Buy quality and affordable filament from X3D. Buy 3, get 1 free and a free sample pack with every order: www.x3d.com.au
Get Quality Resins from 3D Printers Online. 5% off storewide for Teaching Tech subscribers [Code: tech5]
https://3dprintersonline.com.au/
Take a look around and if you like what you see, please subscribe.
Support me on Patreon: http://www.patreon.com/teachingtech Bambu Studio OrcaSlicer (SoftFever) fork: An advanced slicer for many 3D printers](https://i.ytimg.com/vi/MqkC-STieww/mqdefault.jpg)

![Over centre mechanisms will make your designs more effective - Guide with examples
If you only learn to design with one mechanism, make it an over centre mechanism. In my opinion, this is one of the most versatile and effective mechanical systems you can utilise. In this video, we look at real world examples, and then break down the characteristics across a series of different designed examples. The final example is a CO2 dragster launcher, and stores enough energy to puncture a canister despite only needing the smallest nudge to activate.
All of the printed examples plus the F1 launcher on Printables: https://www.printables.com/model/451928-c02-dragster-f1-in-shools-launcher
Goat graphic: https://openclipart.org/detail/313163/goat
0:00 Introduction
0:43 Where do we find over centre mechanisms?
1:00 Example 1: Basic
3:07 Example 2: Closing latch
5:38 Example 3: Cam latch
8:22 Example 4: C02 canister firing system
F1 in Schools Australian champions: https://youtu.be/MvVgZWEgbww
F1 in Schools equipment video: https://www.youtube.com/watch?v=X2WbtQ3tgT4
F1 race control system: https://store.rea.org.au/f1-race-control-system/
My launcher assembly video: https://youtu.be/YuojoO9AV-I
11:25 Key characteristics summary
12:12 Conclusion
Buy quality and affordable filament from X3D. Buy 3, get 1 free and a free sample pack with every order: www.x3d.com.au
Get Quality Resins from 3D Printers Online. 5% off storewide for Teaching Tech subscribers [Code: tech5]
https://3dprintersonline.com.au/
Take a look around and if you like what you see, please subscribe.
Support me on Patreon: http://www.patreon.com/teachingtech Over centre mechanisms will make your designs more effective - Guide with examples](https://i.ytimg.com/vi/NVtsrisYtUE/mqdefault.jpg)

![The best upgrades for your Bambu Lab 3D printer
Check out my 2nd channel, TT Racing: https://www.youtube.com/@ttracingYT
Bambu Lab 3D printers have secured a strong market share by being reliable, fast and producing high quality prints. Over time, 3rd party products and community generated mods have been created, which I showcase to you in this video. A big thanks to my patrons for assisting in preparing the list.
Let me know what great upgrades I’ve missed in the comments.
Purchase the Bambu Lab X1 Carbon (affiliate): https://shareasale.com/r.cfm?b=2353821&u=2259340&m=138211&urllink=&afftrack=
Purchase the Bambu Lab P1P (affiliate): https://shareasale.com/r.cfm?b=2354726&u=2259340&m=138211&urllink=&afftrack=
0:00 Introduction
0:52 Slicer
Simplify3D: https://www.simplify3d.com
OrcaSlicer: https://github.com/SoftFever/OrcaSlicer
My previous OrcaSlicer video: https://youtu.be/MqkC-STieww
3:08 Printhead PTFE guide
Bambu X1 PTFE Extruder Bracket AMS Error Fix by OurAngryBadger: https://www.printables.com/model/338073-bambu-x1-ptfe-extruder-bracket-ams-error-fix
4:29 Beds
*Note* - I didnt have any warnings when using a non Bambu Lab bed, but others have. Thankfully, good solutions exist: https://www.printables.com/model/432805-build-plate-qr-code-for-bambu-lab-x1c
Bambu Lab textured PEI sheet: https://bit.ly/3qLq2gk
Wham Bam Bambu Lab bed: https://bit.ly/3Nqb4Fx
PEO patterned bed on Aliexpress: https://s.click.aliexpress.com/e/_DCTHuU1
Garolite G10 bed for BL printers: https://vpsdata.shop/vps-data/x1-and-p1p.html
VisionMiner Nano Polymer Adhesive: https://visionminer.com/products/nano-polymer-adhesive
Dimafix bed adhesion pen: https://x3d.com.au/products/dimafix-print-bed-adhesive-pen
Print in Place Engine by SunShine: https://www.printables.com/model/212989-print-in-place-engine-benchmark-the-bengine
Flexi seahorse by Miranda P: https://www.printables.com/model/503865-flexi-seahorse
7:47 AMS
PTFE tube removal button by STprinting: https://www.printables.com/model/272302-bambu-lab-ams-hub-ptfe-button
Bambu AMS disconnect tool by Jody: https://www.printables.com/en/model/382058-bambu-ams-disconnect-tool
10:00 Printing from external filament plus AMS
Bowden tube Y splitter by Robert: https://www.printables.com/model/356818-bowden-tube-y-splitter
XYZ 20mm calibration cube by iDig3Dprinting: https://www.thingiverse.com/thing:1278865
12:05 Filament spool transfer
Bambu Lab P1 / X1 / X1C / X1CC Filament Spool Switcher & Winder by Miklos Kiszely: https://www.printables.com/model/407688-bambu-lab-p1-x1-x1c-x1cc-filament-spool-switcher-w
Spoolwinder_remix_x3 by Nafker: https://www.thingiverse.com/thing:6062641
13:55 Poop chute
Bambu Poop Chute by Fantasy3DPrintsShop: https://www.printables.com/model/461345-bambu-poop-chute
14:42 Filament dryer
15:32 Conclusion
Buy quality and affordable filament from X3D. Buy 3, get 1 free and a free sample pack with every order: www.x3d.com.au
Get Quality Resins from 3D Printers Online. 5% off storewide for Teaching Tech subscribers [Code: tech5]
https://3dprintersonline.com.au/
Take a look around and if you like what you see, please subscribe.
Support me on Patreon: http://www.patreon.com/teachingtech The best upgrades for your Bambu Lab 3D printer](https://i.ytimg.com/vi/NjKdNPYLNxU/mqdefault.jpg)