Supplemental carnage terrain, in the form of guard rails with basing that I designed from scratch to go with the barrier bases I did previously - https://www.thingiverse.com/thing:2859579. I designed these specifically with Gaslands - https://gaslands.com/ and other related Car-nage games in mind. Design subject to change as I work out the most economical array of bits and parts to fit on a cutting sheet.
Go to this website to see what guard rails might up your favorite auto-duel game - http://www.crashforensics.com/papers.cfm?PaperID=53
Formatted for cutting on 3mm MDF cut to (Arch C) 24" x 18" sized sheet, which fits across the bed of an Epilog Helix. All my patterns are designed for cutting at 300dpi. I have provided the PDF and SVG files that I converted online at https://cloudconvert.com/vsd-to-svg. Designed with Visio and PhotoShop. Shared as is.
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Now GO and create carnage, in style.