Not sure if this has been posted before, but a 3x3 plate with a 1x3 jumper is roughly the same size as a standard mini base : r/legodnd
3x Lego Roof Bricks Black 33° 3x3 Ceiling Tiles Angled Stone 4161 | eBay
I Made a Fully Functional LEGO RUBIK'S CUBE!! (3x3x3) - YouTube
Lego® 30357, 4550745 plate rounded corner 3x3 white
Amazon.com: Classic Building Plate 3x3, 100 Piece, Compatible with Lego Parts and Pieces 11212, Creative Play Set - 100% Compatible with All Major Brick Brands(Colour:Black) : Toys & Games
2x LEGO 3x3 Plate w/ Cut Corner PICK COLOR - 30357 Studs Tile City Lot 015 | eBay
Lego 3x3 Brick Faceted Qty 2 (2462) - Pick your color | eBay
Lego® 30357, 4212075 plate rounded corner 3x3 dark bluish gray
Amazon.com: Speed Magic Cube 3x3 Build-on Brick Magic Cube Brain Bricks and Teaser Puzzle Toy for Boys and Girls Gifts, Black : Toys & Games
Plate 3 x 3 : Part 11212 | BrickLink
Plate, Round Corner 3 x 3 : Part 30357 | BrickLink
Connect lego 3x3 hemisphere | easy way with six round 1x1 pl… | Flickr
Amazon.com: Classic Building Plate 3x3, 100 Piece, Compatible with Lego Parts and Pieces 11212, Creative Play Set - 100% Compatible with All Major Brick Brands(Colour:Black) : Toys & Games
LEGO Tile 3 x 3 Circle (67095) | Brick Owl - LEGO Marketplace
LEGO PART 11212 Plate 3 x 3 | Rebrickable - Build with LEGO
Magenta 3x3 Technic beam discovered | New Elementary: LEGO® parts, sets and techniques
3D 3x3 Lego Building Block Compatible Tile (BDSMVEJSJ) by ARCKIT
Lego 3x3 Plate YOU CHOOSE | eBay
LEGO Part Green Plate, Square 3 x 3 - Brick Land
LEGO IDEAS - LEGO Rubik's Cube (Working)
Lego® 30357, 6062166, 4541187 plate rounded corner 3x3 green
Amazon.com: Classic Building Plate 3x3, 100 Piece, Compatible with Lego Parts and Pieces 11212, Creative Play Set - 100% Compatible with All Major Brick Brands(Colour:Deep Yellow) : Toys & Games
LEGO 2x Wing Wedge Flat 3x3 Cut Corner Green Dark / Dark Green 2450 New | eBay