17 min print time Face Shield for Geeetech A20M (v4)

thingiverse

Hello from France (Strasbourg) Some people are asking about my settings within the Facebook group called Geeetech A10/A20/A30 3D Printer Owners Group. I repeat, this is not for high-definition prints; it's all about speed printing a functional and resistant shield. You can find here: The STL I used (.stl) - remember to repair any self-intersecting surfaces and separate connected surfaces. My Simplify3D process (Covid Speed Stack.fff) My factory settings in Simplify3D (Stack_24_Highspeed_17minutes.factory) for printing a stack of 24 in 7 hours on the Geeetech A20M V4 The G-code generated by Simplify3D (V5stack24.gcode) for the 24-stack Some print screens showing slices Some photos of the result Some details above If you want to help, please contribute on https://www.paypal.me/covidstrasbourg. It will help me buy tons of PLA and transparent sheets. ------------------------ I'm using a Geeetech A20M V4 (late 2019) with almost everything stock except for the plate (Geeetech SuperPlate). I added a purge bucket and moved the X-end stop, but no need here. Be careful when replacing Simplify3D scripts [start/changingtool] with your usuals. I started 3D printing one week ago, so I may not be exact with everything, but I print fast and it works. My printer has Marlin 1.1.8 - GT2560 V4.0 - FW2.0 - HW6.20 I use PLA (ERYONE) I use Simplify3D to slice I'm using only one extruder (right one) I'm using STL files from Robyice @ Thingiverse: https://www.thingiverse.com/thing:4262472 I started with FaceShieldV2_Single_Open_End.stl to test and adjust settings with Simplify3D. My first try took more than an hour with my classic settings. I did a "repair -> identify self-intersecting surfaces" then "mesh -> separate connected surfaces." Then, I tried many different parameters to optimize the head movement. Remember that direct lines can be printed fast, but zigzags add distance and time... Once it was okay with single shields, I used FaceShieldV2_2_stack_Open_End.stl to test if the second layer "glued" too much to the first one. I have to be honest; it glued a little bit too much, but I unstacked them with tools and force. Then, I used FaceShieldV2_24_stack_Open_End.stl. ----------------------- I repeat what I wrote on https://www.thingiverse.com/thing:4262472/comments My process is like this: Extrusion multiplier: 1.25 Extrusion width: 0.44 mm Retraction distance: 11.00mm Retraction speed: 100 mm/second Infill percentage: 0% - Layers: Primary layer height: 0.3mm Top solid layer: 1 Bottom solid layer: 1 Outline/perimeter shells: 3 Outline direction: inside-out First layer height: 100% First layer speed: 100% Start points: optimize for printing speed - Addition: nothing - Infill: External fill pattern: concentric Outline overlap: 30% - Support: nothing - Temperatures: Bed: 60°C Head: 235°C - Cooling: 1st layer: 0 2nd and others: 100% - Speeds: Default speed: 100mm/sec Outline underspeed: 90% X/Y movement speed: 150mm/s Z movement: 16.7mm/s - Advanced: External thin wall type: allow single extrusion walls Internal thin wall type: allo single extrusion fill Allow perimeter overlap: 0% Minimum extrusion length: 5mm Minimum printing width: 20% Maximum printing width: 200% Endpoint extension distance: 0mm Only retract when crossing open spaces Force retraction between layers I started printing one week ago. I don't know exactly the max speed of my printer, so I put high values. With these settings, I can get good results with stackable face shields. Hope it helps! https://www.paypal.me/covidstrasbourg