Mikey
Aspiring Old Fart, EE, computer & networking geek
For those situations where dry-fitting is REALLY important, you could cut a slot lengthwise in a sacrificial piece of PVC on a tablesaw. That would allow the pipe's diameter to shrink as it's placed into the fitting and bottom out properly. Once the assembly is complete, mark all the pieces, take it apart, and duplicate the slotted pieces in new stock. A typical 1/8" kerf would allow the diameter to shrink by .04" (the shrink is independent of the original diameter) -- that should provide enough slop to dry-fit, and the springback should hold things in place fairly firmly; maybe too firmly. Another opportunity to experiment. Hang on to the slotted stock to use the next time.
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