The picture behind this window is flat — its edges can show when the phone turns. There’s no switch back from a sky: use “Undo”, or restore an earlier version.
Above 0 the layer floats over the print; below 0 it sinks behind it. The 3D view shows the depth, as a phone on your print will.
Arrow keys move this corner; hold Shift to move it further. Enter uses these corners.
Drag the four dots onto the corners of your print
Corners cross — drag them apart.
Drag on empty canvas to select · Ctrl+scroll to zoom · Space+drag to move around Drag to turn the view · Scroll to zoom
Choose the color to make see-through: pick it from the video with the dropper, or set it here.
Small areas such as eyes keep their own look. Pick one under All colors to change it.
Tap the model where it should jiggle.