... , and will hold the sleepers square to the curve. 3. the intersection of the web ribs makes it easy to follow a drawn centre-line when tracklaying, 4. it is easier to ballast over the webbing if desired than when it is under the rail. This scheme is unlikely to work for more complex track formations having partial templates and shoved timbers. For those I think I shall implement a means to draw the required webbing on the screen manually. 2_262143_460000000.png Here it is without rails, ready for printing: 2_262159_130000000.png Some companies which used the wider 12" joint sleepers also used wider joint chairs on them. But not all, the ordinary S1 chairs look ok on them (as above). So I think I will leave joint chairs for another day. The L1 bridge chairs are calling me. cheers, Martin. posted: 27 Nov 2018 19:33 from: Rob Manchester Hi Martin, Excellent design. All 4 reasons for the 'odd' webbing sound valid to me but not sure about the curving bit. Surely it ...