3/4" EMT Sleeve for telescoping poles
thingiverse
Modeled this for creating telescoping poles out of 3/4" and 1/2" EMT (For DIY awnings etc). This is a sleeve that fits on a 3/4" EMT tube that allows 1/2" EMT to slide smoothly, giving a more snug fit (1/2" inside 3/4" emt is a bit loose). Just trying to make a bit more of a factory finish product. Slide onto the 3/4" emt, then tap it down til it's seated. Drill a hole and insert a rivet to secure it in place. I needed to file down the inside of the rivet a little bit so the 1/2" tube clears it.
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