I’ve got a vertically oriented frame, but the work area is not vertically symmetrical. The bottom is about 1 foot above the lower anchor points and the top is about 2 feet below the top anchor points. When calibrating, the sled will pull off the top edge of the board and it’s not taking measurements in the lower part of the board. The calibration_grid_x and calibration_grid_y settings are within the size of the 4x8 sheet. I guess I could shrink the calibration_grid_y setting or increase the Maslow_calibration_offset_Y, but then I imagine it wouldn’t be even worse on getting measurements in the lower part of the board. Is there some way to tell it it’s de-centered?
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You can set the maximum size of the calibration grid before doing the calibration. Its default is 1000mm x 2000mm (1 metre by 2 metres). But it is always centered according to the anchors points.
I have the same situation, so for the top edge I just screw in a strip of material that’s the same thickness as the board so that the sled has something to slide along.
Also, for calibration I’d recommend measuring all the distances between the anchor points (top vs. bottom, left vs. right) and then use the maximum values for each as your starting values for your frame (actually anchor point) dimensions.
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