About this 3D model

Connects 2 or 3 tubes of any diameter at right angle. Useful for : - shelves - mini-greenhouse (by Erik & Sylvain) - construction kit - steady cam - periscope - wheel ancestor...   Tested with wooden tubes of 28, 25, 12, and 7 mm diameter. *February, 19 2013* The copy of PaSuTX shows an assembly with pencils. Our participation to the MakerBot Customizer Challenge!