A Mostly 3D Printed Spring Motor Speed Regulator gzumwalt 2026-09-25 | A Mostly 3D Printed Spring Motor Speed Regulator
Marblevator, Self Reversing Screw Lift, Close Up. gzumwalt 2024-04-21 | Just in case someone wishes to build this Marblevator, I created this video showing the mechanisms in motion and close up to assist in assembly and alignment.Advance warning: this is a high precision 3D printed, filed, sanded and polished mechanism, requiring careful alignment and much patience.Files and instructions here:instructables.com/Marblevator-Reversing-Screw-Liftcults3d.com/en/3d-model/gadget/marblevator-self-reversing-screw-liftmyminifactory.com/object/3d-print-374762printables.com/model/853965-marblevator-self-reversing-screw-liftDesigned using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA and Tough PLA on Ultimaker S5s and an Ultimaker 3e.
Marblevator, Self Reversing Screw Lift. gzumwalt 2024-04-21 | This Marblevator is complete!This video shows the use of three 11mm glass marbles on this Marblevator because someone asked!Advance warning: this is a high precision 3D printed, filed, sanded and polished mechanism.Files and instructions here:instructables.com/Marblevator-Reversing-Screw-Liftcults3d.com/en/3d-model/gadget/marblevator-self-reversing-screw-liftmyminifactory.com/object/3d-print-374762printables.com/model/853965-marblevator-self-reversing-screw-liftDesigned using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA and Tough PLA on Ultimaker S5s and an Ultimaker 3e.
Marblevator, Self Reversing Screw Mechanism, Prototype 1, Three Ball Bearings gzumwalt 2024-04-19 | A video showing the use of three 11mm nylon ball bearings on this Marblevator because someone asked.Advance warning: this is a high precision 3D printed, filed, sanded and polished mechanism.As a side note, my wife and I have been busy building a living space for her parents in our home as they both are in the advanced stages of dementia and can no longer live by themselves. They are now in our home and my wife and I are spending a lot of time providing care for them, so for the time being, I will be publishing fewer videos.Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA and Tough PLA on Ultimaker S5s and an Ultimaker 3e.
Marblevator, Self Reversing Screw Mechanism, Prototpye 1 gzumwalt 2024-04-18 | This Marblevator uses my previously shown Self Reversing Screw Mechanism to lift 11mm nylon ball bearings from the end of the tracks to the start of the tracks.A 6VDC battery pack powers a 6VDC 70RPM gear motor to drive the screw. Twin travelers traverse the screw carrying along twin sliders with buckets. The buckets are hinged to dump the ball bearings on the track.Advance warning: this is a high precision 3D printed, filed, sanded and polished mechanism.Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA and Tough PLA on Ultimaker S5s and an Ultimaker 3e.
I Wonder What These New Things Are For? gzumwalt 2024-04-07 | New "things" added to the reversing screw mechanism...Advanced warning: this is a high precision 3D printed, filed, sanded and polished mechanism.Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA on Ultimaker S5s.
A 3D Printed Reversing Screw Mechanism 2. gzumwalt 2024-03-28 | An update to the original mockup to add components necessary for additional features.This mockup uses a 6VDC battery pack driving an N20 6VDC 30RPM gear motor for power and still draws an average of 11MA during operation, which is about 1MA over the unloaded current of the gear motor.I still like it!Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA on Ultimaker S5s.
Piranha Plant, Chain Drive. gzumwalt 2024-03-26 | A smaller, chain driven version of my "Piranha!" model.Our kids, grandkids, nieces and nephews enjoy pressing the start button and watching the Piranha chomp away!Files and instructions are here:instructables.com/Piranha-Plant-1cults3d.com/en/3d-model/gadget/piranha-plant-gzumwaltmyminifactory.com/object/3d-print-368670Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA on Ultimaker S5s and an Ultimaker 3e.
Designing the Reversing Screw for my Reversing Screw Mechanism Mockup gzumwalt 2024-03-26 | The very verbose title says it all!Designed using Autodesk Fusion 360.
A 3D Printed Reversing Screw Mechanism. gzumwalt 2024-03-25 | Just another mockup, this time of a 3D printed reversing screw and traveler. This open framed model is one of many methods to design this mechanism, and I will be trying a few others to select my personal favorite.I've used a 6VDC battery pack driving an N20 6VDC 30RPM gear motor to power the mockup which draws an average an 11MA during operation which is about 1MA over the non-loaded current the gear motor draws.I kinda like it!Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA on Ultimaker S5s.
Piranha Mechanism 4, Chain Drive. gzumwalt 2024-03-18 | A quick look at a still even more compact Piranha lift mechanism using a chain lift. The chain lift replaces the rack and pinion, screw and belt lifts of the previous mechanisms, while at the same time still eliminating the need for an electronic reversing switch.Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA on Ultimaker S5s..
Some More 3D Printed Parts (And a quarter). gzumwalt 2024-03-14 | More 3D printed parts! I'm using this mockup to check my calculations, I hope it works! The 3D printed chain is designed to be printed in place. To create the chain, I simply snap the free ends together.Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA on Ultimaker S5s.
Piranha Mechanism 3. gzumwalt 2024-03-14 | A quick look at an even more compact Piranha lift mechanism using a belt lift. The belt lift replaces the rack and pinion and screw lifts of the previous mechanisms, while at the same time eliminating the need for an electronic reversing switch.Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA and TPU on Ultimaker S5s..
My Heathkit GC 1092A Alarm Clock, Still Ticking After All These Years. gzumwalt 2024-03-13 | I assembled this clock in my mid teens and it is still ticking. While it doesn't have WIFI time synchronization (uh WIFI wasn't available back then for those who, oh well...), it's just a few simple settings to adjust for daylight savings time.Sorry to see Heathkit go, I built many Heathkit projects and learned much from the process.
Yet Another Pile of 3D Printed Parts. gzumwalt 2024-03-12 | Yet another pile of 3D printed parts becomes yet another prototype mechanism.With the 1.2mm thick (from belt tooth to the outer belt edge) belt, at 6VDC this model draws on average 18MA.Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA and TPU on Ultimaker S5s and an Ultimaker 3e.
Piranha Mechanism 2. gzumwalt 2024-03-07 | A quick look at a more compact Piranha lift mechanism using a screw lift. The screw lift replaces the rack and pinion lift of the previous mechanism.Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA and Tough PLA on Ultimaker S5s and an Ultimaker 3e.
Piranha Mechanism. gzumwalt 2024-03-04 | A quick look at the mechanism inside of the Piranha model.Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA on Ultimaker S5s and an Ultimaker 3e.
Piranha! gzumwalt 2024-02-28 | Ready for the Mario Themed Party!And since the kids and grandkids enjoy pushing buttons, well I added one.Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA on Ultimaker S5s and an Ultimaker 3e.
Piranha Prototype 1. gzumwalt 2024-02-25 | Almost ready for the Mario Themed Party!Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA and Tough PLA on Ultimaker S5s and an Ultimaker 3e.
A DPDT Electrical Reversing Mechanism Version 2. gzumwalt 2024-02-23 | Even some more 3D printed parts to create yet another 3D printed mechanism. This may be the giveaway...And for those interested, at a USB voltage of 5VDC, the mechanism draws 24ma on the up stroke, and 18ma on the down stroke.Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA and Tough PLA on Ultimaker S5s and an Ultimaker 3e.
A DPDT Electrical Reversing Mechanism. gzumwalt 2024-02-19 | Some more parts to create yet another 3D printed mechanism. I wonder where this is headed?Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA on Ultimaker S5s.
A Bunch of Parts Will Become What? gzumwalt 2024-02-17 | Feeling a little better so I took some time to create a video.Note I've turned commercials off, at times they are too risqué for my tastes and target audience. I complained to YouTube a number of times to no avail. Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA on Ultimaker S5s.
Another Prototype 1. gzumwalt 2024-01-27 | Just another prototype, nothing to see here... 🤔I'll be out of commission for a week or so yet again, hopefully I'll be back soon! Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA on Ultimaker S5s.
A Blast from the Past Cad Model and 3D Printed Assembly. gzumwalt 2024-01-24 | My 3D printed reproduction of my father's design is complete!But wait, what will it be used for???🤔Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA on Ultimaker S5s.
A Blast from the Past 3D Printed Cylinder Assembly gzumwalt 2024-01-23 | In this video I assemble and test the cylinder assembly based on my father's design.Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA on Ultimaker S5s.
A Blast from the Past design of my Fathers. gzumwalt 2024-01-23 | My mother passed away some 30 years ago from Lou Gehrig's disease, and my father passed away some 20 years ago from dementia. Both my mother and father were very inspirational and supportive of my unhinged desire to disassemble anything within my reach to determine how it worked, albeit one disassembly cost me my left ear hearing...My father was vice president of an engineering company that developed and produced oil field equipment and one of my favorite field trips was to his machine shop to watch the engineers and mechanics finalize and machine his designs.This model, albeit quite modified for 3D printing, is my tribute to his original design to maintain baffle levels in oil storage tanks. I've utilized dodecagon sleeves to simplify the model.Designed using Autodesk Fusion 360.
My favorite automata designs of mine. gzumwalt 2024-01-21 | In response to a number of requests, and after years of operation, here's a few of my favorite automata designs I have created.With the exception of battery failures, (youtu.be/f3oQnzao6HE) the models are still in operation after quite a few cycles.Designed using Autodesk Fusion 360, sliced using Ultimaker Cura, and 3D printed in PLA on Ultimaker S5s and an Ultimaker 3e.
Telescopic Linear Actuator, Prototype 1. gzumwalt 2024-01-18 | Yet another prototype mechanism for an upcoming project, can you guess what it will become?Hint: still whimsical.Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA on Ultimaker S5s.
What Will This Become? gzumwalt 2024-01-16 | A prototype mechanism for an upcoming project, can you guess what it will become?Hint: whimsical.Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA on Ultimaker S5s.
Geneva Clock, Finished. gzumwalt 2024-01-10 | Finished.If you would like to build this model, files, code and instructions will be available soon here:instructables.com/Geneva-Clockcults3d.com/en/3d-model/home/geneva-clockmyminifactory.com/object/3d-print-352368printables.com/model/717033-geneva-clockDesigned using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, 3D printed in PLA on Ultimaker S5s and an Ultimaker 3e, and programmed using the Arduino environment.
Geneva Clock Version 3. gzumwalt 2024-01-09 | Version 3 of my Geneva Clock Model.Smartphone ssid and password entry and battery backup are added in this version.Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, 3D printed in PLA on Ultimaker S5s and an Ultimaker 3e, and programmed using the Arduino environment.
Geneva Clock Version 2. gzumwalt 2024-01-07 | Version 2 of my Geneva Clock Model.A little "under the hood" in this video and a couple of typos. Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA on Ultimaker S5s and an Ultimaker 3e.
Geneva Clock Version 1. gzumwalt 2024-01-04 | It's turning into a clock. Can you detect the time?Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA on Ultimaker S5s and an Ultimaker 3e.
An Interesting Mechanism, With Clues. gzumwalt 2024-01-02 | I've added some clues, so what will this become?Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA on Ultimaker S5s and an Ultimaker 3e.
Music Box. gzumwalt 2024-01-01 | This 3D printed music box was inspired by a 60+ year old cigarette dispensing music box of my mother's that utilized a windup mechanism to control door movement and generate music.This model utilizes an Adafruit Feather Huzzah32, an Adafruit Feather Music Maker, a single S51 servo, speakers and 3D printed components to control door movement and generate music.Files and instructions available soon.Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA on Ultimaker S5s and an Ultimaker 3e.
An Interesting Mechanism, 3D Printed. gzumwalt 2023-12-29 | An interesting mechanism modeled after a video our youngest son sent me, now 3D printed.Can you guess what it is / does?Designed using Autodesk Fusion 360.
An Interesting Mechanism. gzumwalt 2023-12-28 | An interesting mechanism modeled after a video our youngest son sent me.Can you guess what it is / does?Designed using Autodesk Fusion 360.
Just Another Prototype 2, CAD Assembly and Animation. gzumwalt 2023-12-27 | Just Another Prototype 2 CAD Assembly and Animation.Designed using Autodesk Fusion 360.
Just Another Prototype 2. gzumwalt 2023-12-24 | A "four door" version of Just Another Prototype, this time with audio.Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA on Ultimaker S5s and an Ultimaker 3e.
Just Another Prototype. gzumwalt 2023-12-21 | Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA on Ultimaker S5s and an Ultimaker 3e.
Snowman On Ice 2. gzumwalt 2023-12-10 | A little "light" subject matter...Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA on Ultimaker S5s.
Snowman On Ice. gzumwalt 2023-12-09 | The title says it all...Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA on Ultimaker S5s.
How I Create Standoffs Using Autodesk Fusion 360. gzumwalt 2023-12-09 | Standoffs provide spacing between assemblies, and this is how I create them using Autodesk Fusion 360.Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA on an Ultimaker S5.
Marblevator Loop, Interchangeable Tracks? gzumwalt 2023-12-09 | I've been asked if the launch mechanism as designed for "Marblevator Loop 2" is interchangeble with the original "loop" tracks. Well of course they are, why not!Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA and Tough PLA on Ultimaker S5s.
How I Design Bolts In Autodesk Fusion 360. gzumwalt 2023-12-08 | I've had a few requests for a video showing how I design, 3D print and prepare a bolt (in this case an M8 by 1.25 by 8mm bolt) for use in my models, so here it is!The bolt was 3D printed using a .4mm nozzle at .15mm layer height, 20% infill and no supports.Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA on an Ultimaker S5.
Penguin On Ice Mechanism, 3D Printed Assembly. gzumwalt 2023-12-07 | In this video, I show how I assembled my "Penguin On Ice" model.Files and instructions available here:instructables.com/Penguin-on-IceDesigned using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA on Ultimaker S5s.
Penguin On Ice Mechanism, CAD View. gzumwalt 2023-12-06 | In a previous video, I introduced my 3D printed version of JKBrickworks Lego "Penguin On Ice" model. In this video, I walk through the CAD design to illustrate how my version of the model operates.Files and instructions available here:instructables.com/Penguin-on-IceDesigned using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA on Ultimaker S5s.
Marblevator, Loop 2a. gzumwalt 2023-12-05 | By popular demand, here's the "dual ramp" drive wheel featuring less dwell AND twice the frequency, and still at 3VDC!Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA and Tough PLA on Ultimaker S5s.
Penguins. gzumwalt 2023-12-04 | For some reason (grandkids perhaps?) I'm making a lot of penguin models this year, here's just a few.Notice in the "Penguin on Ice" model, the sign and snowball trace elliptical tracks 90 degrees out of phase. Files and instructions available here:instructables.com/Penguin-on-IceDesigned using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA on Ultimaker S5s.
Here I Go Again, Whats This For? gzumwalt 2023-12-01 | As most have already determined, I enjoy designing and 3D printing mechanisms and I designed this "Archimedes Trammel" mechanism for an upcoming project, but what will it become?Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1, and 3D printed in PLA on Ultimaker S5s.
