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Pleccer Alpha4-2 prerelease (added arc-over-infill fix)

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@rvmn rvmn released this 22 Feb 12:24
· 31 commits to master since this release
2ca2eb8

Pleccer alpha4-2 prerelease

PrusaSlicer_111px

This is the first Pleccer version using PrusaSlicer (alpha4) as base.
It contains few color printing updates yet, but has a nice set of new features for printing overhangs.
Try it out with the new test models file.

--- ### Alpha 4-2
added a fix to not use arcs over internal bridge infill, so it doesn't arc on infill anymore, thanks for the info (saw it in the CNCKitchen review)
also added is the option under the selectbox to use painted-on supports only, so you can manually paint on supports or try autopaint-on.

Notable updates:

  • Arc infill is much better working, printing now from the inner to outer ring always works right, skipping over holes now works fine. do try to avoid weird surfaced overhangs for now (better by recursion of arcs-> next version)
  • Pedestal spiral infill works well, picks a single pedestal as start point at random, no plans for improving that since it works fine
  • Quick overhang settings have been added: handy defaults for organic and grid infill (snug was left out, sorry, it was working badly with overhangs). Also a custom overhang margin setting can set % of overhang support compared to line width, which works when the default is disabled.
  • Holes overhang setting: if overhangs contain holes they are detected and this setting gives them a overhang override. for now for the whole object so other overhangs with no holes on the object also get overridden, per surface support settings needed (-> next version)
  • Lot's of small improvements like better decisions in path planning, bridge infill detection and fine-tuned thin details strategy.

Screenshot from 2023-02-20 02-25-09
Spiralling on an eiffel tower overhang

Screenshot from 2023-02-21 22-41-09
The test file with default support settings

N.B. >>> Best set your support's 'Overhang threshold' on 32 (deg) if you are in need of supports otherwise below 10 but never on 0 (automatic, works also, but is way too much supportive).

N.B. >>> If using multipart STLs/3MFs make sure to click the 'split to objects' button ( 'O'-button middle top) before slicing to have the supports picked per-object instead of for the whole.

Next version, beta1, will have:

  • Better holes strategy; holes now are supported by adding a overhang setting to the whole model, it can be modded to only apply it to the actual hole(s) instead
  • Arc recursion; by recursing the arc of arc infill you can print long(er) or thin overhangs.
  • Arc printing Gcode support (G2/G3); saves some data in gcode
  • Mixed extruder additions are halfway built (hence not in this alpha):
    • a virtual 'mixing extruder' is added that lets you paint a color and will automatically create the right mixing gcode
    • palette picker that lets you quickly pick a color and paint with that
    • colorgrab to pick colors from your screen
  • Colored 3mf support
  • Wipe-into-Support option

Source code can be found at: Pleccer

Important notice for MAC users: The App won't run!!! but there is a solution