[Andrew Remmers]

Originally Posted by gblake

Same size, shape, mass, surface finish, function, etc. parts gotten from a retailer/OEM other than Pitsco/Tetrix (I'm not sure if either Pisco or Terix are OEMs, but let's give them the benfit of the doubt in this conversation). The classic example is substitute screws bought from a local hardware store.

"Substitute" would have been a better choice of words on my part.

Blake

Generally the rules has been No you can't. You have to use tetrix parts or anything that they specify that can be used. Otherwise there isnt much straying from the kit sadly...