
Ok this one is just fun. Its a round-bottom science flask, the proper Florence flask shape, half filled with bubbling purple liquid. The bubbles are doing the most work here, you got little ones rising up out of the surface and bigger fizzy ones floating in the empty top of the flask.
The whole thing is done in this vintage etched-illustration style. Fine line shading on the glass walls. Tonal crosshatching that makes the flask actually look round and three-dimensional, not flat. The purple liquid has a darker plum at the bottom and a lighter lavender meniscus on top so it reads as actual liquid, not just a flat shape.
Stitching wise its medium density. Goes up to about 31k stitches on the largest size, the small line work on the bubbles is what eats the count. Use tearaway behind woven fabric or a cutaway if your stitching it onto knit. Either works, just dont skip stabiliser entirely on this one.
I made this thinking science teachers, lab kids and chemistry mom moms but it works for halloween potion stuff too if you switch the thread to a sickly green. Honestly the file is the same, just rethread.
Looks best on cream, white, light grey or even a soft butter yellow shirt. Dark backgrounds kill the line work because the indigo outline disappears.
What people are using this design for
A starting point. The design works for plenty more than just this list, this is what folks have stitched it onto most.
- Science teacher tote bags and lab coatsStitched on the chest pocket of a lab coat it gives science teachers a tiny bit of personality.
- Chemistry student backpacks and pencil pouchesSized down to about 4 inches it fits perfect on the front pocket of a student backpack.
- Halloween potion-themed shirts and apronsSwitch the purple thread to slime green and you got an instant halloween apron design.
- STEM camp counsellor uniformsCamp counsellors love wearing matching shirts at STEM week, kids spot the flask immediately.
- Pharmacy or lab tech work jacketsAdds a fun detail to the back of a pharmacy work jacket without being unprofessional.
- Nerdy birthday gift pillowsMakes a sweet birthday throw pillow for the science nerd in your life, paired with their name.
- Witchy apothecary kitchen towelsOn a flour sack towel it gives the kitchen that cute apothecary witchy energy.
Dimensions
9 sizes included. Stitch counts shown for the largest colorway.
| Size (in) | Stitches |
|---|---|
| 3.50 × 2.21 in | 11,790 |
| 4.00 × 2.52 in | 13,826 |
| 4.50 × 2.84 in | 15,997 |
| 5.00 × 3.15 in | 18,194 |
| 5.50 × 3.47 in | 20,549 |
| 6.00 × 3.78 in | 23,030 |
| 6.50 × 4.10 in | 25,593 |
| 7.00 × 4.41 in | 28,284 |
| 7.50 × 4.73 in | 31,181 |
Files & Formats
Eight machine formats included in one zip. Whichever your machine reads, its in the pack.








Plus a color chart for thread matching. See full format guide.
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About the artist
Reyazul Masud Riham, hand-drawing every design on this site
Every design on Re Embroidery is hand-digitized by one person. Each file gets sketched, color-matched, and stitch-tested on real fabric before it earns a place in the shop. No team. No auto-conversion from images. Just slow, deliberate work, sometimes three or four days per design.
That's the joy I work for.
The hard part is finding my designs re-uploaded and resold elsewhere. So when you buy from Re Embroidery, you're paying one real person for the file you're about to download. That matters.









