Ngàm Locking Quad Lock Mount

It is basically the Quadlock Bike mount without the rounded bike part. it should be easy to attach it to other models. By default it can be screwed down from behind with 2 m3 screws.

BOM:

• 1 M4x12mm SCHS screw
• 4 5.5mm*17mm springs (or shorter.)
• 1 M4 Heatset insert
• 2 M3 Heatset inserts (optional)

Assembly:
 

Melt the m4 heatset from the bottom into the center hole. then melt the two m3 insert from the top into the other holes.

Put the top upside down on the table. and fit the locking ring on top of it. Set the springs into their detents in the locking ring. Get your m4 screw and a driver ready.

put the botton plate with its detents onto the springs. Compress it until the bottom touches the top. While compressing, use your other hand tho screw the top to the bottom.