I have now switched to using OnShape for van layout design. It's a beast of a tool but I've tried to distill it down to the simplest 1% of functionality for van builders. Hope you enjoy!

Tutorial document: https://cad.onshape.com/documents/6b1...

Current version of E350 design document: https://cad.onshape.com/documents/618...

Timestamps:
0:00 - 1:08 Intro
1:08 - 4:30 Why OnShape
4:30 - 4:51 Part 1 of 14 Creating a document
4:51 - 5:10 Part 2 of 14 changing document units
5:10 - 6:04 Part 3 of 14 explaining rotate and pan
6:04 - 7:20 Part 4 of 14 explaining sketch tool
7:20 - 9:45 Part 5 of 14 creating van floor w/sketch tool
9:45 - 12:18 Part 6 of 14 creating galley unit w/extrude tool
12:18 - 15:13 Part 7 of 14 adding sink w/transform tool
15:13 - 15:47 Part 8 of 14 explaining parts list & how to hide parts
15:47 - 16:24 Part 9 of 14 explaining timeline list
16:24 - 16:45 Part 10 of 14 creating fridge
16:45 - 17:22 Part 11 of 14 explaining how to measure distances
17:22 - 18:22 Part 12 of 14 using dimension tool to change distances
18:22 - 19:17 Part 13 of 14 explaining constraints
19:17 - 21:01 Part 14 of 14 using coincident tool to move parts
21:01 - 21:35 Outro

I create & sell van parts at sevenosavage.com