It doesn’t care what the bed or chamber temperatures are, it just works, every time, and doesn’t require extra motors, drivers cables, sensors, or complex configuration. Here we are 10 years after Makerbot and people are still trying to solve the first layer problem by trying anything and everything except addressing the actual problem which is unflat bed plates mounted on dumb leveling systems (4 screws to define a plane?).ĭo you really want to solve the problem for once and for all? And do you actually want the solution to be simple, like the guy says? And preferably use no parts, like Elon Musk says? Use a 3 screw kinematic mount and a flat bed plate. The hobby 3D printing community never ceases to amaze me. Posted in 3d Printer hacks Tagged 3d printing, auto bed leveling, z probe Post navigation

There is also a trend to put the sensor in the nozzle, which has its pros and cons. We recently went over how Marlin does unified bed leveling, and this probe would work for that. In addition, there are plans to improve the accuracy with a small redesign. However, you can easily adapt the idea to your specific printer setup pretty easily. We are waiting for the STLs which are forthcoming. It looks pretty reasonable with a range over 10 measurements of less than 0.05 mm. No need for a servo motor or anything else electrical. When you are done, you can park it again. Before you home or otherwise probe the bed, you release the wrench from the magnet. A magnet holds the wrench up out of the way during normal operation. What we really liked was the retraction mechanism which is sort of semi-manual. But, in this case, a 3D printed fan shroud uses an optical sensor to note when the Allen key hits the bed. We’ve also seen microswitches used to directly probe the bed.

We’ve seen Allen key sensors before, but usually, they use a microswitch.

However, putting it in a heated build chamber prevented it from working so he set out to make his own simple design using an Allen key. has long used a BLTouch which uses the latter method. More commonly, though, your probe will sense a metal print or uses a physical probe to touch the print bed. Rarely, you’ll see optical or capacitive probes. You have a few choices if you want to use a probe to level your 3D printer bed.

T slot frame 3d printer single arm