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08-30-2014, 04:57 PM #241
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Anything best to print to test it with?
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08-30-2014, 06:01 PM #242
Probably something big that stretches from corner to corner. Then you will see the Z-Axis moving back and forth to correct. AND... Just because you have the height correct on most of the bed, it is possible you need a few more probe points (4x4 instead of a 3x3) in your matrix when you get to the edges of the bed. If this prints nice... smaller things should print nice also.
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08-30-2014, 07:31 PM #243
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I ran that through netfabb and I am about to test print it but would you look over this Slic3r generated gcode and tell me if anything needs to be changed? I await your response as my greatest fear is my hot end scraping through the boro glass.
G21 ; set units to millimeters
M107
M190 S95 ; wait for bed temperature to be reached
M104 S230 ; set temperature
G28 ; home all axis
G29 u 4
G1 Z5 F5000 ; lift nozzle
M109 S230 ; wait for temperature to be reached
G90 ; use absolute coordinates
G92 E0
M82 ; use absolute distances for extrusion
G1 F420.000 E-1.00000Last edited by DarkAlchemist; 08-30-2014 at 07:44 PM.
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08-30-2014, 09:19 PM #244
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08-30-2014, 09:28 PM #245
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08-30-2014, 11:10 PM #246
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I didn't see anything wrong with that gcode, but it didn't include any movements other than that last extruder move, so we can't see if it will crash the nozzle into the bed or not.
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08-30-2014, 11:16 PM #247
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08-31-2014, 12:49 AM #248
Yes... Go up to a higher level and look down... What that #define Z_PROBE_OFFSET thing is, is a hard coded constant to build into the compiled C (or technically C++ code). it can be whatever. And if the compiler can digest it, it ends up in the object code. Your printer hardware and electronics may or may not be able to handle that precision, but it will work just fine as far as the compiled C code goes. If your hardware can't handle it, you just specified more precision than what made sense. But almost for sure, your stepper motors can go to two decimal places.
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08-31-2014, 04:32 AM #249
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08-31-2014, 10:32 AM #250
You can directly enter a GCode command. You could tell the printer to move to a given coordinate with that level of precision. Specifically, G1 X 10.1111 Y 20.0001
My 3D Norn Emissary print
09-13-2024, 02:28 AM in 3D Printing Gallery