The hobby of 3D printing needs more touch probe options. The comparison of BLTouch vs. XYZ is kind of stupid because the vast majority of BLTouch alternatives are just clones: IP theft of the original design by Antclabs. The TouchMI is an optical touch probe at half the price of a BLTouch, but I think we can do better than that. How about 13X cheaper!?! This DIY solution uses the original touch probe idea of an Allen key activating a switch. Only this time the Allen wrench activates an optical sensor for some surprisingly accurate probing. Of course this design will only work on a Creality Ender 2, Ender3 (original), and CR10 (original) but these happen to be some of the most popular printers in the world, so hopefully lots of people will save lots of money with this awesome upgrade.


The Self Deploying Allen probe files have been uploaded. I will still be doing some work to make them easier to print and I also need to explain them more in the next video. That being said, you should be able to get these printed and working. My partner for this project 3D Printscape is responsible for the firmware and he is on a work trip until the end of the month. Expect the final vides from me and him at the beginning of March. In the mean time you should be able to get the probe working with the start script found at the link. DO NOT run a regular Auto Home (G28) command unless you are there to flex the deployment catch out of the way with your hand. This issue will be solved with the new firmware build which will move the X-carriage inboard to avoid the collision. Use the firmware and wiring from the previous build:    • Unbeatable for $200 - A 3DPrinter for...  

Link to Print Files and G-code script (Please consider $1 Patreon support):
https://thangs.com/punamenon/Main%20B...

Support The Channel:   / designprototypetest