Elegoo Mars Slim Build Plate Knob
thingiverse
This is a shortened version of other build plate knobs to allow a 170mm z axis height on the Elewgoo Mars and Mars Pro. Simply remove the stock knob, glue the head of an M10 x 15mm hex head bolt into this knob and modify the GCode on the machine as per: https://www.youtube.com/watch?v=zZPJFCgJbwg If you are unable to source a 15mm bolt, there is a thinner version of the bolt suitable for a 20mm long bolt. Please note that the print over the bolt on this version is only 2 layers thick so is quite flimsy. Glue the knob in place with CA glue Note: When experimenting with the increased z axis height on your prints, remember to account for both the "Z lift Height" that is added when generating supports as well as the lifting distance that the plate is raised after every layer.
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