Summary Took a terrific bit of design/engineering for mounting a BLTouch sensor and tweaked it to work with the Folger Tech 2020 Prusa i3. As the spec that came with the BLTouch called for it to be 8.3mm between the end of the hot tip and the sensor, I made a little 8.3mm cube to act as a measuring device to get it dialed in perfectly. Now if I can only work up the courage to modify the Marlin code and connect the thing, I will have the BLTouch up and running. Hardware you will need: 3 m3 nuts 2 m3 washers 2 m3 x 8 hex heads for BLT mount 1 m3 x 25 hex head for BLT adjuster 1 Ball Point pen spring for BLT adjuster Print Settings Printer Brand: RepRap Printer: Folger Tech 2020 Prusa i3 Rafts: Doesn't Matter Supports: No Resolution: .2 Infill: 50%