1.25 inch laser collimator

Required accessories:

1--112D ultra-thin switch: 1 piece;

2--5V laser head (6mm): 1 piece;

3--M3x4.5x5 heat-set inserts: 3 pieces;

4--M3x12 hex socket cap screws: 3 pieces

5--A small amount of 0.5mm copper or iron sheet (for making battery positive and negative contacts, can be replaced by disassembling parts from a toy battery compartment);

6--Several wires (simple soldering work is required)

Print-by-one/variable layer height is set, all done on one plate. It's relatively simple, no assembly files will be provided. If you have any questions, please leave a comment to discuss.