Mechanical Laser Show

Name: Mechanical Laser Show (3D printed)
Brand: Hark Tech
Price: 6.90 GBP
Availability: InStock

From £6.90 printed to order · UK postage from £2.95, free over £40 · usually dispatched within 2 working days
Arrives damaged? Free reprint, just film the box being opened. Returns policy

Free community design ♥ 6,177 likes ↓ 22,753 downloads

🖨️ Get this printed · from £6.90

Have us print this for you

Typical cost for this model in PLA: ~£6.90 + postage from £2.95 (free Tracked 48 over £40). We prepare your model, print it across our calibrated production fleet and quality-check it before it is usually dispatched within 2 working days.

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Good to know before you order

TPU has a £11.50 print-order minimum. ABS, ASA, PC, Nylon and PETG-CF have a £46 minimum; PA-CF has a £69 minimum. Delivery is shown separately in your cart.

Need a few parts? Add them to one cart. One order minimum and one postage charge cover the cart: £6.90 for standard materials, £11.50 with TPU, £46 with ABS, ASA, PC, Nylon or PETG-CF, or £69 with PA-CF.

Please check the model files include everything you need before ordering. We print the files exactly as supplied, so you receive the parts in the model, not necessarily a finished assembly shown in any photos. These are community designs by their original creators; we manufacture and post them but cannot guarantee fitment for your specific appliance or use case - check the original design page for compatibility.

About this print

A hand-powered kinetic device that uses a system of cams and gears to move a laser and project patterns. The mechanism is driven entirely by hand rather than a motor, and serves as a demonstration of persistence of vision and mechanical motion. It is intended for hobbyists interested in optics and mechanical engineering. PLA is a suitable choice for the geared components, as it offers the dimensional accuracy needed for moving parts to mesh correctly.

From the original design page

Original maker's notes

By AdditiveTech on Thingiverse · CC-BY

***https://youtu.be/_dtBUiaAqRE***

If your printer has a width of 200mm or wider, instead print the superior large version:
https://www.thingiverse.com/thing:2919550

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I have several more cool projects in the works right now, so feel free to ["Follow" me on thingiverse](https://www.thingiverse.com/AdditiveTech/about) if you're interested.

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The mechanical laser show is a device that projects a pattern by quickly moving a laser. It's
hand powered, 3d printed, open source, and free to print.

Hackaday.io post with more info: https://hackaday.io/project/25447-mechanical-laser-show
Cam profile code: https://github.com/EvanStanford/cams

Formatting may have been simplified. These are the independent maker's instructions and fitment claims; Hark Tech has not independently verified them.

Printing Mechanical Laser Show

For Mechanical Laser Show we would normally reach for PETG — it is tougher and more heat-resistant than PLA, ideal for parts that take load or live somewhere warm. We set the layer height, wall count, infill and supports to suit the model and how you will use it, and those choices are already priced into your instant quote. Want a specific colour or material? Tell us and we will match it where we can.

Model details

Downloads at source	22,753
Likes at source	6,177
Original model	View on Thingiverse
Designer	AdditiveTech
Licence	CC-BY

Cams gears Golang laser persistence of vision pov trigonometry

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