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[Mega 8K] Setting Supports on Perforated Build Plate

Sonic Mega 8K has the largest printing volume of Phrozen's Sonic 3D printer line-up by the time of writing this article. Except the size, perforated build plate that comes with Sonic Mega 8K is also an obvious different from other models in the Sonic line-up.

    The reason Sonic Mega 8K comes with a perforated build plate is that, lager the scale the model is, or fuller the build plate, higher the suction force it has to deal with, also longer the time you have to wait for the resin to travel back to its place after retraction. The perforated build plate of Sonic Mega 8K can effectively helps reducing the suction force especially when printing the raft, and also letting resin traveling back to its position after retraction more quickly, preventing model from peeling off from the plate and layer lines happening.

    Some people may find it inconvenient working with perforated build plate, as in the slicing software, there is no indicator of where those holes will be, so they might have a chance placing a support to where the hole is, ending up the support not being printed out and failed the print.

    To make things easier, Karl Hu from our community made a model of a plate, with holes align with the perforation on Sonic Mega 8K's build plate, so that people can have an indicator of where those empty spaces are, and avoiding placing supports over it.



▲ A video Karl shows how to add a full plate raft for your model.


    To use this model, you simply prepare the model you are going to print as you used to, then import Karl's model into your slicer. Select Karl's model, set the model to the centre and do not scale it (otherwise, the holes will not align), raise the model you are going to print by around 6.5, then you are good to go.

    You might find some of your support print at where the holes at, you may either just leave it there as it don't usually cause much problem, or you can adjust the support to avoid the perforation. You should also check the bottom side of the build plate, to see if there is any red parts that indicates your model is exceeding the printing area, this usually can be fixed by simply lift up the model you are going to print by a bit, but remember not to move Karl's model out of the centre. It should be at (0, 0, 0) all time.

 

▲ After import Karl's model, reset its position to the centre.
▲Adjust the height of your model, to make sure everything is in the printing area.


    You can also use it just as an indicator, adjust your support accordingly, and remove it after.

    Thanks to Karl for providing this tool to the community.

Download Link: https://drive.google.com/file/d/13s1v2e5Q7Xm3PL98tAjx1mnn58wHPIMr

Link to the original post: https://www.facebook.com/groups/sonicmega8k/posts/4289604611145367/



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