Uploaded March 2017 | Updated September 2026, 1 week ago

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Find awesome patron-only perks on my Patreon Page - patreon.com/HoffmanEngineering
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See my recommended printers, filament, and accessories on my Amazon Idea Lists!
3D Printing Equipment for Beginners - See on Amazon: amzn.to/2PNblSL
3D Printing Equipment for Intermediate Hobbyists - See on Amazon: amzn.to/2OOuQOy
3D Printing Equipment for Advanced Users - Liquid Resin SLA/DLP - See on Amazon: amzn.to/2PpqWuK
Hoffman Engineering Youtube/Video Equipment - See on Amazon: amzn.to/2O9oP9I
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I designed a Dragon Radar as a cosplay prop for a friend, so I thought I'd share the designs and process with you! Let me know what you think about it, and I'd love to see it if you printed one for yourself.

Onshape design document:
cad.onshape.com/documents/41e1cce566dd4982855f61b9/w/92c388d1c8c647fc8c0108ed/e/41c21bccb5044037a4062290

Files on Thingiverse
thingiverse.com/thing:2147492

555 Timer Resources:
GreatScott! has a perfect overview video for the chip: youtube.com/watch?v=fLaexx-NMj8
Basic circuit diagram for flashing: circuitdigest.com/electronic-circuits/flashing-led-using-555-timer-ic

Switch was a latching push switch, specifically these 6 pin Double-Pole-Double-Throw switches:
amazon.com/gp/product/B00O9YQQJM/ref=oh_aui_detailpage_o04_s00?ie=UTF8&psc=1

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Music:
"Hello Friend..." by The Birth and Death of Silence
Licensed under Creative Commons - Attribution

End Slate Music:
“Disco Time” (by Tentacles)
Licensed under Creative Commons



-Christopher Hoffman
#HoffmanEngineering #3DPrintingHoffman #MakeCoolStuffHoffman #3DPrinting #DIY #FDM #Makers #Making #ResinPrinting #Engineering #Patreon #CAD #3DScanning #Awesome