![]() Most of the cost here is for cases, nuts and bolts, etc. Total cost was around £55, this assumes access to both a laser cutter and 3D printer. 4 x 3D printed enclosures - Material cost was around £5.Plastic PCD standoffs - Kits of these can be had for quite cheap on Ebay.- £6.80.4x 1/4 inch nut - To fit a standard tripod thread - £2.Make sure the power of the laser is not greater than 5mW. 2 x Laser module - Searching ebay for "arduino laser" should show plenty of options.2 x Light Dependent Resistor (LDR) module - Searching ebay for "arduino LDR" should show plenty of options - £2.30 each. ![]()
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