I did a little research on this and came up empty. But there is a printable model of unknown accuracy you could use in a pinch.
https://www.cgtrader.com/3d-print-models/games-toys/other/alien-flashlight-printable-model
I've used clear Elmer's glue with red and a touch of green or blue food dye to good effect. Add some cocoa powder for older dried blood. Google "clear elmers glue fake blood" for detailed instructions.
I have had problems with it beading up on plastic weapons and other hydrophobic surfaces, but...
It is a little hard to grab that journal picture directly. Here is the link, it looks totally usable as a base.
https://s7d9.scene7.com/is/image/DisneyStoreES/466049372186?$sdZoomD$&am.
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There are lots of close up pictures of the ampules with writing you can copy from directly.. I did find these notes by searching out the artist's name, Rob Sollis.
ANDREW WOODWARD - KINETIC SCULPTURE ARTIST
different photo of notes:
https://i.imgur.com/Ko0kp.jpg
Also look into the Raku...
A new very black paint that can be applied with a paint brush (Black 3.0) is on the horizon. It should be amazing for star field dioramas like this. Google for details. It is almost as good as Vanta Black but much easier to use and without the legal restrictions. I can't wait for it to become...
Does it have to be resin? How about filling with a clear gel, like a body wash gel. It is shelf stable if sealed (to prevent drying out) and non-permanent if you change your mind on the figure's position, paint job or type.
Re: Snowtrooper Ab/ Han's Hoth communicator DIsk **Discovered Info on Page 5, post 11
It would be great to find the model of dishwasher (and/or other appliances) that accepts this part and maybe a schematic from an old repair manual that shows where it goes.