Mosaic .

Picture in, mystery-mosaic pages out. Cell sizes from 2 mm extra-hard to 6 mm easy, split cells for the complex ones, crystal-art and colour-by-number kits from the same grid.

Images

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Creator tools — unlock with All-Access

Name every file for your set, add a cover and split cover, and load a whole ZIP of pictures at once. (Send to Book Lab stays free.)

Wrap it Your Way — easy peasy.
Get access
Single-file downloads stay free.

Set naming

Set name — on every download
Creator name
Creator / artist credit
Files: creator-set-image-size-page · manifest carries creator, artist and set.

Cover

Cover page (added first in the batch)
Cover for
Cover picture — step through them to compare
Cover style
Author line (top)
Title (bottom)
Sub line
Pages to provide as a cover, in this style
Solved marks
Pixel preview
Number page
Split cover — cover v interior page
Split line
Interior side shows
Interior on the left / top (swap sides)
Draw the split line

Page sizes
Size
Margin (mm)
Solved / key sheet size
Orientation
Cell sizes — plain number + solved pages
2 mm
3 mm
4 mm
5 mm
6 mm

Tone
Clean off-white paper (border = white)
Dither (Floyd–Steinberg)
Invert
Sheet background
Grid lines
Section lines (numbered in the margin)
Numbers
Marks (solved pages)
Grid lines on solved page

Split cell — number + solved pages
2 mm — n/a
3 mm — n/a
4 mm
5 mm
6 mm

Crystal art canvas (DMC)
Canvas + drill legend
Drill (mm)
Drill legend + kit quantities export with All-Access; the canvas page is free.

Colour by number (pencils)
Number page + solved + pencil kit list
Pencil brand
Cell (mm)
Choosing a brand? Sarah Renae Clark's colored pencil comparison tests all three. Pencil hex values via Jenny's Crayon Collection.

Colour settings (both kits)
Colours
Blank cells — mystery mosaic & colour by number
Blank cells — crystal canvas
Grid + code numbers the paper with the background colour. Mystery-mosaic pages always leave blank cells blank. The key and kit counts only include the background when Grid + code is on.
Greyscale (neutral shades only)

Symbols & legend
Symbol set (crystal canvas)
Look-alike guard — similar colours never share a shape family
Symbol contrast
Legend sheet
Round to bags of 50 (shows exact + bag count)
Free: a 100 × 100 mm block with your current cell size, symbol size, lines, contrast and symbol set, plus a 50 mm check bar. Test your own printer before printing a whole chart.

Include page types
Pixel preview
Number page
Solved page
Solved + key on one sheet
Design page: no key strip
Print a footer line on the sheets (off = clean files; the preview strip names them)
Key page (once)

Preview .

Load a picture to build its sheets.
No picture yet.
Size set

Legend & symbols .

Turn on Crystal art or Colour by number to see and edit its legend.

Import your own codes
Paste or upload a CSV: colour, code, symbol. Colour = a code in this chart (DMC 310, PC938…) or a hex (#1a2b3c). Codes are free text in any brand and print exactly as typed. Symbol is optional: a numeral or letter from the set, a symbol name, or #1–#40.

Edit cells .

Paint any cell's mark by hand, per size set. Edits stick to this picture.

The Tray .

The Tray — unlock with All-Access

Turn one design into a whole batch of colourways, bank up to 120 tiles as you go, and grab them all in a single ZIP.

Wrap it Your Way — easy peasy.
Get access
Single-file downloads stay free.
Bank each picture's page set into an output group, then grab the lot as one ZIP with a pageset.json manifest your book builder reads in order.
Output group
ZIP contents
SVG + 300 dpi PNG
Pool by output type
Activity book preset assets
Used only for the Activity book group: design backs use your backing artwork with your logo centred on top.
Backing page
Logo
No backing page or logo loaded yet.

Export .

This sheet as a file, every sheet as PNGs, or the whole set to your printer as a PDF. Single files stay free; the Tray above banks sets for ZIP.
This sheet All sheets Book
Print dialog: Scale 100%, Margins None — the paper size is set for you.
Single pages are free. The whole set and the Tray come with All-Access. Send to Book Lab is free — books under 24 pages download free; 24+ pages (KDP-ready) unlock with the Book-making set.

Poster .

Poster sets — unlock with All-Access

Wrap it Your Way — easy peasy.
Get access
Single pages up to A3 / Tabloid stay free.
Print one picture big, tiled across A4 or A3 sheets. Cells stay their true size — a bigger poster just means more cells, re-sampled from your picture.
Poster size
Print on
Poster shows
Cell size (true mm)
Poster orientation
Load a picture to plan the poster.
Poster
Print dialog: Scale 100% (Actual size), Margins None. Page 1 is the assembly map and key.
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