Cosmic Wonder (41903): parts list and STL files

Set 41903, Cosmic Wonder, from 2020, has 33 pieces in 17 kinds of part and colour. Here is every part, with the ones you can 3D print at home and the ones to buy.

Get the free print files

Free: an STL file for every part you can print, the parts list and a BrickLink shopping list for the rest. Pro adds print-ready plates for a 256 mm bed and our printing guide. About ProYour Pro includes the print-ready plates.

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Cosmic Wonder, built (3D picture) — What it looks like built. A 3D picture, not a photo, made from the LDraw model by Philippe Hurbain (CC BY 2.0).

See the finished set (photo) on Rebrickable ↗

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16to print

17to buy

8spares

17kinds

16 to print, 17 to buy, 8 spares. Print: plain bricks, plates and beams you can make on a home 3D printer. Buy: clear, printed, rubber, electric and very thin parts, which are better ordered. Spares are the extras in the box.

Every part in set 41903

Parts in set 41903, Cosmic Wonder
Colour	Part	Qty	Print or buy
Bright Pink	25269 Tile Round 1 x 1 Quarter	4	Print
Light Aqua	25269 Tile Round 1 x 1 Quarter	4	Print
Lavender	25269 Tile Round 1 x 1 Quarter	4	Print
Bright Light Yellow	25269 Tile Round 1 x 1 Quarter	4	Print
Lavender	25269 Tile Round 1 x 1 Quarter	1 spare	Print
Light Aqua	25269 Tile Round 1 x 1 Quarter	1 spare	Print
Bright Light Yellow	25269 Tile Round 1 x 1 Quarter	1 spare	Print
Bright Pink	25269 Tile Round 1 x 1 Quarter	1 spare	Print
Opal Trans-Clear	65092 Plate Special 8-Sided Crystal/Gem 1 x 1 x 2/3	6	Buy
Dark Turquoise	25269pr0008 Tile Round 1 x 1 Quarter with Yellow Stars, Pink Shooting Stars Print	4	Buy
Dark Turquoise	25269pr0009 Tile Round 1 x 1 Quarter with Yellow Stars/Dots, Pink/Lavender Curved Lines Print	4	Buy
Light Aqua	98138pr0150 Tile Round 1 x 1 with Planet, Rings Print	2	Buy
Black	66821 DOTS Bracelet 2 Stud Wide	1	Buy
Dark Turquoise	25269pr0008 Tile Round 1 x 1 Quarter with Yellow Stars, Pink Shooting Stars Print	1 spare	Buy
Dark Turquoise	25269pr0009 Tile Round 1 x 1 Quarter with Yellow Stars/Dots, Pink/Lavender Curved Lines Print	1 spare	Buy
Opal Trans-Clear	65092 Plate Special 8-Sided Crystal/Gem 1 x 1 x 2/3	1 spare	Buy
Light Aqua	98138pr0150 Tile Round 1 x 1 with Planet, Rings Print	1 spare	Buy

Print set 41903 at home

The set tool makes an STL file for each of the 16 printable pieces, sorted by colour, plus a shopping list for the 17 to buy. Free, no account, and it runs on your own phone or computer.

Get the free print files

Pro adds print-ready plates for a 256 mm bed. About Pro

Parts data: Rebrickable, and it can differ slightly from your box. Part shapes: LDraw Parts Library (CC BY 4.0). Browse all sets. Independent project, not sponsored, authorised or endorsed by any brick company.