Then, place BED_MESH_CALIBRATE in your PRINT_START macro, AFTER any homing and leveling routines like G28, G32, QUAD_GANTRY_LEVEL, and Z_TILT_ADJUST. #zero_reference_position: 175,175 #for use with stock z endstopįade_start : 0.6 fade_end : 10.0 probe_count : 5, 5 # Values should be odd, so one point is directly at bed center #zero_reference_position: 150,150 #for use with stock z endstop #zero_reference_position: 125,125 #for use with stock z endstop The Switchwire stock configs already include this.You can copy & paste this into your printer.cfg, making sure to uncomment the appropriate mesh_min and mesh_max for your bed size. If you have an older install, and need to use RELATIVE_REFERENCE_INDEX, you may find instructions for that hereīecause your mesh can change at different bed, chamber, and frame temperatures, it is generally recommended to generate a mesh before every print rather than using saved meshes.Īll of the configuration options and explanations can be found in the Klipper docs. These instructions assume that you are using a reasonably up to date Klipper, which supports ZERO_REFERENCE_POSITION. This often requires a bed mesh to compensate. The extrusions with linear rails will actually bend slightly when heated due to differing rates of thermal expansion. While the thick beds themselves are usually quite flat, your gantry and frame will expand and warp a bit with chamber heat. Larger printers are also likely to need a bed mesh, but for different reasons. To run a mesh, you should place BED_MESH_CALIBRATE in your PRINT_START macro after G28 (and after bed heating). It is important to check that your probe is correctly calibrated using PROBE_CALIBRATE. Note that unlike other Voron models, the Switchwire uses the probe as a virtual endstop, and thus should NOT use relative_reference_index. However, if you do wish to fine tune it, detailed information can be found in the Klipper docs. The mesh settings in the stock configs are usually fine. ![]() It’s more difficult to get a good reading, but easier to interpret the result.ĭue to the the use of a thinner bed on the switchwire, a bed mesh is usually needed. This app shows a single frequency rather than a graph. ![]()
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