3D printed model pipeline flanges without the bolts.
These slide onto 7.9mm pipes to represent flanged pipe rings without the bolts.  By using these slide-on flanges you won't need to cut a long pipelength to add connections.  
Compatiable with our 7.9mm pipe lengths.
UNPAINTED MODELS
Pack of 8 rings
Requires cutting from the support struts from the printing process.  Use a sharp knife or cutters to remove the struts.  Take care and wear the appropiate PPE.
Colour of the unpainted model my change according to the resin we're printing with.