ascii [ parse-model ] with-file-reader
[ normals ] 2keep 3array ;
-: model-path "bun_zipper.ply" temp-file ;
+: model-path ( -- path ) "bun_zipper.ply" temp-file ;
-: model-url "http://factorcode.org/bun_zipper.ply" ;
+: model-url ( -- url ) "http://factorcode.org/bun_zipper.ply" ;
: maybe-download ( -- path )
model-path dup exists? [