Best Wood for CNC Carving Under $20 (2026): 5 Blocks Compared

Specs compared

Specifications are manufacturer rated, as published on each listing and collected 25 October 2026.

What the listings tell you

5 listings were read for this guide. Only 2 state a warranty term, both 90 days, and the rest state no warranty. 2 listings carry contradictions: the Thiecoc title and spec table state 8 pieces while the bullets state 6, and the PONGJA title states 12x12x2 while the bullets and spec table state 12 x 2 x 2. The BeaverCraft BW18 set states 2 different sizes without per-block sizes, and the BeaverCraft sets list package dimensions rather than block sizes. Read the parts list, not just the title.

Buying guide: the best wood for cnc carving under 20

Block size and pack count

Block size decides what fits on the machine and what the carving can become. The PONGJA blocks at 12 x 2 x 2 inches are the largest stated blocks here, suited to larger carvings, while the WYKOO blocks at 4 x 1 x 1 inches suit small ornaments and practice pieces. The Thiecoc blocks at 4 x 2 x 2 inches offer a mid-size block, and the BeaverCraft sets offer many blocks: 18 pieces in 2 different sizes for BW18 and 16 pieces for BW16, though neither set states per-block sizes. For more on choosing carving wood, see our best wood for cnc machine guide.

Softness and grain

Every listing here names basswood, a soft wood for carving, and softness decides how easily a bit or a knife moves through the block. PONGJA describes its blocks as soft and smooth and free of cracks, knots and splinters. WYKOO describes its blocks as soft, even and smooth with no knots or cracks. BeaverCraft describes its basswood as soft and easy to use, smooth and ready to carve. Thiecoc describes its blocks as smooth and prepared for further carving, with an even surface. No listing states grain detail beyond natural basswood, so grain choice rests on the softness claims above.

Warranty and what it covers

Only WYKOO and PONGJA state a warranty term, both 90 days. Thiecoc, BeaverCraft BW18 and BeaverCraft BW16 state no warranty term. A stated term is worth noting when packs are compared, since the other listings leave the buyer without a stated warranty period.

CNC carving or whittling

These blocks are sold for whittling and carving, and the same soft basswood suits CNC carving work. For CNC work, match the block size to the machine work area: the listings here state block sizes only, not machine work areas. Small blocks suit ornaments and practice pieces, while large blocks suit bigger carvings. Clamp the block well, since a loose block moves under the bit.

Project Match

• Small ornaments and practice pieces: WYKOO 4 x 1 x 1 inch blocks.
• Larger carvings: PONGJA 12 x 2 x 2 inch blocks.
• Mixed sizes for varied projects: BeaverCraft BW18, 2 different sizes (per-block sizes not stated).
• Practice in volume: BeaverCraft BW16 with 16 blocks, and Thiecoc blocks at 4 x 2 x 2 inches.

How the scores add up

The HQ Score weighs performance, build, value, safety and warranty. For basswood blocks, performance follows block size and pack count for the carving job, build follows the stated wood quality, and value follows the blocks and stated warranty in the pack. Safety means a stated safety feature or certification, and none of the listings states any, so safety scores are 0. Only 2 of the 5 listings state a warranty term, both 90 days. How We Pick explains the weights.

Scores run from 9.2 to 9.8: each product’s point total is placed on that range, so more points always means a higher score. Safety counts only for powered gear or where the listing states safety features; where it does not apply, the score is taken over the remaining 90 points.

FAQ: lasers and CNC

What wood is best for CNC carving under 20?

Basswood blocks are the picks in this guide: soft, smooth wood sold in packs for carving and whittling. Block sizes run from 4 x 1 x 1 inches to 12 x 2 x 2 inches, and 2 of the 5 listings state a 90 days warranty.

How many blocks come in a pack?

Pack counts run from 2 to 18 across this guide: PONGJA 2, Thiecoc 8 per title and spec table, WYKOO 10, BeaverCraft BW16 16 and BeaverCraft BW18 18. Thiecoc bullets state 6 while the title and spec table state 8.

Do these blocks come with a warranty?

Only 2 listings state a warranty term: WYKOO and PONGJA state 90 days. Thiecoc, BeaverCraft BW18 and BeaverCraft BW16 state no warranty term.

What sizes do basswood carving blocks come in?

Stated block sizes are 4 x 1 x 1 inches, 4 x 2 x 2 inches and 12 x 2 x 2 inches. BeaverCraft BW18 states 2 different sizes without per-block sizes, and BW16 states no per-block sizes.

Can basswood blocks be painted or stained?

Listings say yes: Thiecoc and BeaverCraft blocks can be left natural or painted, and PONGJA blocks can be stained and painted.

Related: best wood for cnc machine, the CNC router hub, best desktop CNC for beginners and cnc router projects for beginners. Also see our engraving materials and cnc tooling.