allow scenes to be loaded from blob URLs
allow scenes to be loaded from blob URLs

tangrams/tangram,tangrams/tangram,zerebubuth/tangram,ceseale/tangram,rosamcgee/tangram,rosamcgee/tangram,zerebubuth/tangram,DHaylock/tangram,zerebubuth/tangram,taylorhxu/tangram,TitoAgudelo/tangram,TitoAgudelo/tangram,xvilan/tangram,TitoAgudelo/tangram,ceseale/tangram,ceseale/tangram,taylorhxu/tangram,xvilan/tangram,xvilan/tangram,rosamcgee/tangram,DHaylock/tangram,DHaylock/tangram,taylorhxu/tangram