unitized framing systems

[s.e.charles]

can anyone share their IT knowledge and find a source for this stuff:
my search engine (duckduckgo) isn't playing well! this is as close as i could get: 【楽天市場】ステップワゴン m.flat 両側乗車タイプベッドキットRP 7人乗り車専用レザータイプ/クッション材40mmステップワゴン車中泊 ベッドキットSTEP WGN車中泊日本製：MGR Customs (rakuten.co.jp)


thanks

 

[Hnoroian]

2020, 2040, 3030 aluminum extrusion and fittings, quick release or quarter turn, wing nut or the like. Take your size of what you need, measure twice and cut once. Cut larger and trim to fit if needed. Cut cardboard for a design and actual size for a template.