What frame skew causes this mesh

Any idea or guidance on where the skew may be. I built the VC3.1 with engineering squares and clamps so not sure what i did wrong.
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8 Replies
Tracy7734
Tracy77342y ago
3D Printers & a Whiteboard
YouTube
RatRig V-Core 3: How to Get a Square Frame
This video is for those who struggle getting bed meshed with their RatRig V-Core 3. Please feel free to jump to the chapter you are interested in. 0:00 Intro 1:05 about the v-core 3 frame and bed leveling 8:26 what to take care of in the building phase 9:17 the right square 10:09 build tips 16:50 adjusting the frame according to your bed mesh ...
ptegler
ptegler2y ago
first test...raise both front Y rail corners 0.5mm and run a mesh. you can take a 90° corner brace mounted under the edge of the rail and a spare screw and nut as a jack to move the rail ever so slightly and precisely. (used like a car jack) Raising the fron should drop that back right corner to start.
sherbs
sherbs2y ago
Frame has clockwise twist in it from front to back... Twist the front of the frame clockwise to dial that out... Mesh also suggests some upward gantry bow, but the twist is your bigger issue... Make sure to run a z tilt after adjusting for twist
tcsjc
tcsjcOP2y ago
Updated mesh’s think I’ve removed the twist as it looks to be bowed now
tcsjc
tcsjcOP2y ago
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tcsjc
tcsjcOP2y ago
Just under 0.3 between lowest and highest point
sherbs
sherbs2y ago
0.3 range on a 500 bed is excellent - probably not worth chasing it anymore at this point - unless you need greater precision than that on a 500mm part
tcsjc
tcsjcOP2y ago
Ok thanks for all your help!

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