Summary

A 3-way corner to create a box frame with PVC piping.
The pipes are 20mm electrical pipes, a common size in Belgium.

Print 8 corners for a full frame.

UPDATE: the original 3way corner had walls that were slightly too thin.
I redid the entire model and uploaded a stronger version of the 3way corner.

Print Settings

Printer Brand:

Creality

                                            <p class="detail-setting printer"><strong>Printer: </strong>                     <div><p>Ender 3</p></div></p>                                                                                <p class="detail-setting rafts"><strong>Rafts: </strong>                     <div><p>Yes</p></div></p>                                                                                <p class="detail-setting supports"><strong>Supports: </strong>                     <div><p>No</p></div></p>                                                                                <p class="detail-setting resolution"><strong>Resolution: </strong>                     <div><p>0.2mm</p></div></p>                                                                                <p class="detail-setting infill"><strong>Infill: </strong>                     <div><p>15%</p></div></p>                                                    <strong>Filament:</strong> Generic PETG                Black                    <br>                        <p class="detail-setting notes"><strong>Notes: </strong>                    </p><div><p>Designed to be printed without supports, but I used a raft when printing with PETg for better adhesion (the bottom surface area is rather small and the part warped).</p><p>Use enough perimeters for a strong part. I used 1.5mm wall thinkness - 3 lines of 0.5mm width using a 0.4mm nozzle - this squeezes the layers so they fuse better..</p><p>You may have to sand away the seam inside some of the holes so the pipes fit.</p><p>UPDATE: the new stronger 3way corner prints ok with a brim instead of a raft when using PLA. Have not tested the new corner with PETG.</p></div>

3-way corner for PVC pipe frame

3-way corner for PVC pipe frame

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