Needing help reducing range
After watching this video: https://www.youtube.com/watch?v=h7ZTq2dDTkM
It seems that my issue is mainly with the gantry, which I'll approach again soon.
My main question is around the back corners. In the video he mentions that the front corners will always be on the same plane, because for each of those corners there steppers/rods adjusting them directly. He then mentions something along the lines of adjusting to get the back corners on the same plane. What i'm wondering is, it appears that my back corners are on the same plane. My novice observation is, if the front raised, wouldn't my range/variance in height go down? Am I misunderstanding something here?
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
...
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Taking another look at this. I'm wondering if this is because the z-tilt is in a bit from the front corners and the back middle. I wonder if it grabbed z-tilt closer to the edges, if (in my case) it might bring the front up and change my overall range/variance to decrease.
I'm sure the general path would be to not mess with this. But I have to admit, I'm curious. It looks like I could move the points further out; I'll have to find the documentation on this to understand better what
z_positions is vs points. I'm likely missing something important here as I would generally subscribe to the philosophy of, "whoever put this together understands this better than me." But, that hasn't always been true; maybe this is just unorthodox. https://github.com/Rat-Rig/v-core-3-klipper-config/blob/b683a951077e1f48f74022b1b15c80d1c5f91ec3/400.cfg#L26-L35GitHub
v-core-3-klipper-config/400.cfg at b683a951077e1f48f74022b1b15c80d1...
DEPRECATED - See https://github.com/Rat-OS/ratos-configuration - v-core-3-klipper-config/400.cfg at b683a951077e1f48f74022b1b15c80d1c5f91ec3 · Rat-Rig/v-core-3-klipper-config
As I think about this some more. In a world where a bed is perfectly flat, the
points for probing being closer to the edges of the bed shouldn't matter. But no bed is perfectly flat. I'm not sure what is done with the mesh after it is probed, is there compensation that occurs during the print?I moved the back probe point to 235, 400.
I believe this is very specific to the way my bed is concaved in the middle.