About this 3D model

I wanted a tripod adapter that used regular hardware - what I had on hand. This design uses a captive 1/4-20 nut. Materials required: 1/4-20 UNC nut M3 x 0.5 nut (x2) M3 x 6 screw (x2) If the nuts don't fit easily, use a bit of hot air to soften the plastic before pushing them in. I've also published the SolidWorks design files.