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Billboards are common in many places, sizes, and era's  In this article I'll walk you through creating an older style wooden billboard from a styrene For Sale sign.  The size of our billboard will be 12'x24'. Pieces Cut the following pieces. Dimensions are given in scale feet/inches. 1@ 12' x 24' - billboard 2 @ 2" x 6" x 24' - trim 2 @ 2" x 6" x 12' - trim 4 @ 2" x 6" x 23' - sign backing 1 @ 2" x 6" x 23' - lateral brace 8@ 2" x 8" x 9' - platform support 8@ 2" x 6" x 23' - braces 8@ 2" x 6" x 24' - uprights 3@ 2"x 8" x 24' - planks Directions Glue pairs of 2" x 6" x 23' braces together to make 4 braces.  Glue pairs of 2" x 6" x 24' uprights together to make 4 uprights. Glue the 2" x 6" x 24' and 2" x 6" x 12' pieces around the edge of the billboard. Some will need trimmed to length. Evenly spa...

This project was inspired by some discussion over at  https://modelrailroadforums.com/forum/index.php?threads/speed-matching-locomotives.35010/#post-543957 Overview:  Create a simple car that can be attached to any locomotive and used to obtain speed matching data. Arduino based with no need for a computer attached but possibility to integrate with DCC possibly through I2C. Speed = Distance / Time Parts: Hopefully you will already have a lot of these parts.  9" straight section of Bachman EZ Track or similar. + enough track to get the engine to the desired speed. Arduino Uno/Nano 1306 LCD Screen (128x32 pixels). Train throttle (DC or DCC) Train engine Car:  Styrene sheet. I used a "For Sale" sign (Lowes) with a 0.015" thickness 3/32" (2.4mm) round styrene tube Evergreen Scale Models #223 1/8" (3.2mm) round styrene tube Evergreen Scale Models #224 5/32" (4.0mm) round styrene tube Evergreen Scale Models #225 3/16" 4.8mm) round styrene tube Ever...

 I had been looking around for dimensions to make an equipment cabinet and finally found some here ( https://www.railroadsignals.us/support/auxequip/index.htm ) The dimensions of the shed are 8' by 10'. Each of the center side panels are 2' so this should scale pretty easy to different sizes. I used OpenSCAD to generate SVG & DXF files for each of the pieces and then imported the DXF file into Silhouette Studio. Next I place a 15x19 For Sale sign on the cutting mat. The 15x19 sign has a thickness of 0.025" Next I used Plastruct Plastic Weld to glue the end to a side. Note the sides go inside the ends so that the roof will match the sides when it is glued. Make bottoms are flush. The top will need filed a small amount to give the right angle. This is by design so that it will get a good glue joint.  For the roof bend the styrene partially on the roof line but don't completely separate it. This will make it easier to glue the roof. Once the roof is secured place ...