3 way corner bracket for 2020 aluminum extrusion with 5mm slot

I needed an end cap for 3 perpendicular 2020 aluminum extrusions but was not pleased with the models I found online so I modified an existing one for my needs.

My print parameters:

• Printed in PETG
• 0.2mm layer height
• 15% infill density
• 1mm wall thickness

Notes:

• No reason why PLA wouldn't work just as well
• 2 out of the 3 sides fit perfectly but I did experience some mushrooming on one side (used a rubber mallet to make it fit)

Modified the bracket to accept a third perpendicular aluminum profile