3d printing is great our office coasters either got wet or stuck to a wet glass. This design allows for the voids formed by the inill to take up the moisture but not let it go through the coaster.
Step 1: 3d Printed Drink Coaster
File was started in Autodesk inventor on the xy plane (right click xy plane in part browser)
Step 2: Sketch
Draw a circle on the sketch plane.
Step 3: Finish Sketch
Right click and finish sketch.
Step 4: Extrude
Right click and extrude 6mm
Step 5: Apply a Round
Apply a full round fillet by selecting front face>side>back face then apply.
Step 6: Export STL
Export to STL.
Step 7: Slice
1. Open in Repetier
2. we sliced with Cura engine 0.2 layer height 15% infill
3. export Gcode
Step 8: Edit Gcode
1. Open in notepad ++ which is a free download do a find on layer ctrl f and find one around the z 5.000 mark
2. Select all the code between by selecting the line number in the right column and then scroll through Gcode until you get to your normal end sequence and delete.
you can download the stl and example gcode file here if you like (Warning don't
use the gcode file as it was written specifically for our printer)