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Thread: Printrbot Metal Plus : prints
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07-09-2015, 07:33 AM #3
As to that, it is a very basic but efficient technique : I use the "change tool scripts" to turn down the unused hot end while powering the new one.
No heat = no oozing.
No heat = smaller hot end (no thermal expansion) => no idle head colliding with the build.
Admittedly it is an efficient way to do things only in when the 2 colors are completely on different planes. It still works otherwise but it increases print time like hell.
So when I transition from white (hot end 0) :
M104 S0 T0
M109 S200 T1
And then the reverse
M104 S0 T1
M109 S200 T0
I usually add a little more text to move the head away from the build first and then bring it back (I think it uses G91/G92 and move commands).
Unfortunately correct, but this is entirely on my design. I wanted to overdo it and added a "radius chamfer" at the bottom that had a horizontal tangent... therefore it didn't work well since the first layer had nothing to support it. Print didn't fail though so I'll keep it once I fill the hole with compound.
New member with print issue
06-11-2024, 08:57 AM in Tips, Tricks and Tech Help