Cargo Bikes

I went for the cheaper eucalyptus version, rather than birch. Champion timber in Bromley could only get the latter and I would have had to pick it up in the car, either cut it there (didn't like the idea to rush something and potentially waste material) or fit it on the roof of the car as a full sheet (too dodgy).
So in the end delivery from these guys in the link below was more than the sheet itself (£45) but it was much easier for me, with the little time I have for everything.
https://sheetmaterialswholesale.co.uk/12mm-vindeck-eucalyptus-core-anti-slip-mesh-phenolic-film-plywood-2440mm-x-1220mm-8%E2%80%B2-x-4%E2%80%B2/?utm_term=&utm_campaign=&utm_source=adwords&utm_medium=ppc&hsa_acc=5296178707&hsa_cam=18549335715&hsa_grp=&hsa_ad=&hsa_src=x&hsa_tgt=&hsa_kw=&hsa_mt=&hsa_net=adwords&hsa_ver=3&gad=1&gclid=Cj0KCQjw7uSkBhDGARIsAMCZNJsT4L_kfkhemZC-cq-pIGVL8SO4gO7vLzeJO7yQbY9ibsil3VBNTdoaAu8qEALw_wcB
The "weatherproof" film is super brittle, no problem if you use a sharp saw blade. Most drilling were on the edge of the panels, so I could use the drill press and it was a neat job. But for the couple of drillings in the middle (for the seat supports) for which I used a cordless drill, there were little black film shards detaching. Mostly covered by the washers, I only had to touch up with enamel paint in two places.
There's an anti slip side and a smooth side. Because I was trying to save as much material as possible, the side panels are not handed, so drive side is smooth, and non drive side is anti slip (from the outside). I'm hoping to do a little trunk under the seat with the left over.