... the curve calculations. The sketchboard engine uses 32-bit precision. cheers, Martin. posted: 14 Feb 2018 22:28 from: Tony W Tony W wrote: Hi Martin. The background shapes may be basic and primitive but in combination with track centre lines and a bit of ingenuity, it is surprising what can achieved. I have designed and constructed some nice curved baseboards for the ends of Brimsdown. Regards Tony. Here is a picture of some of the baseboard frames referred to whilst being checked for squareness. 2151_141732_070000000.jpg Regards Tony. posted: 14 Feb 2018 22:55 from: Andrew Barrowman It's a shame that won't be visible after you cover it up with track and stuff posted: 15 Feb 2018 00:31 from: d827kelly One of the club layouts has angled mirrors so viewers can see the undergubbins of the layout. Primarily that is for showing the MERG modules and so on when explaining the use of it however. posted: 15 Feb 2018 10:01 from: madscientist How did you create curved baseboards using background drawing ...