Fielded a request on the unofficial Facebook group for a sled design:
Since the full size thing isn’t easily doable on our machines (and I don’t want to be responsible for a child’s safety), we’ll do a model sized to a Barbie doll/GI Joe “action figure” child figure — this way it can fit on any machine, folks can scale up at need) — we’ll omit the decorative elements so as to avoid copyright issues.
First thing is researching the dimensions (not sure where my daughter’s Barbie dolls got to, and I don’t think she had any Skipper or smaller ones).
There are a number of sites which collect doll dimensions — for compleatness’ sake, here are the links found in researching this:
Unfortunately the site/page: http://www.smallhousemodels.com/wp-content/uploads/2015/09/ShM_ChairScales.jpg is offline but even as a low-resolution thumbnail this image is quite useful: