3d printing

I have drawn up downpipe bracket to be 3D printed in 4mm scale hopefully by Modelu, the one shown is for a 3 inch pipe I will also do the 4 inch round type and also square section types. The idea is you slide them on to rod or square section brass. Davis

I am building a RT Models K class Manning Wardle, and decided the Gibson wheel were too chunky, so I drew up and designed my own new wheel centres had Modelu 3D print them for me. The wheels are fitted to Exactoscale tyres. My whhels have the correct ten spokes and a 2mm axle. The attached photo...