CNC 3018 things

It is very uncomfortable to insert a nut because the fixing bolts on the CNC bed are not attached to the bed.
The bolt holder holds the hexagonal bolt to prevent it from turning

For laser engraving, we need remove the motor from the part where the drill is fixed and insert the laser module. If we use laser holder, we can put the laser and motor in separate space.
Two sets of small bolts and nuts were used to reduce support of the 3D object when printing.

A small screw is needed to attach the laser holder to the CNC head. Add to
If you stick a double-sided tape lightly, you can reduce small vibration.