8020 15-series bracket collection

thingiverse

This is a selection of commonly used connectors with the 15-series 8020 bar. Components include: 4301, a 4-hole inside corner bracket that's slightly flexible and may require considering the gusseted version for added stability 4302, a 2-hole inside corner bracket designed for secure connections 4307, a 2-hole flat plate ideal for mounting various components 4332, a 2-hole gusseted inside corner bracket offering enhanced support 4336, a sturdy 4-hole gusseted inside corner bracket made from PETG plastic with added diagonal reinforcement for increased stability 4442, a 3-way squared connector perfect for connecting three bars at right angles; note that this requires tapping the ends of the bars to create 5/16-18 threads In addition to these connectors, you'll also need 1- and 2-hole T-nuts with holes suitable for 1/4-20 and 5/16-18 taps. These should be printed at a 100% infill rate. All of the above components can be successfully printed without supports when oriented as specified in the file, even at a moderate 20% infill level. For reference, real versions of these connectors are available for purchase on the following websites: https://8020.net/4301.html https://8020.net/4302.html https://8020.net/4307.html https://8020.net/4332.html https://8020.net/4336.html https://8020.net/4442.html