BFPTouch, Poors man BLtouch Clone best method for 3d printer auto bed leveling

BFPTouch Poor s man 3D Printed BLtouch. A simple, cheap, neat, precise, compact and reliable any surface Z Proble for bed leveling, it s one of the most important 3d printer accessories and 3d print 1st layer enhancer Learn how to level your 3d printer s bed like a pro, Features It can be used on all bed surfaces. What you see is what you get during the working and setup. High accuracy and repeatability (better then anything at least at this price range ;) ) Lowest price possible with ready to buy products. (I had everything at Bill of Materials You will only need: 1x Micro Servo TowerPro SG90) 1x Optical Endstop TCST2103 (RepRap Standard) 2x M3x10 to fix the optical endstop. 1x M3x30 as the probe 2x self cutting screws (2x8) fix the servo 1x Cheap made in China gift pen spring that fits the M3x30 screw. Project On Thingiversa Holder ht