mizushi

Design leather patterns in the browser.

mizushi is a web app for drawing, saving, and printing leathercraft patterns. There is nothing to install. Draw lines, set sizes in millimeters, and print from the same workspace. After you sign in, an AI drawing assistant can place a first draft.

Works in the browserSave and printPhone and desktopAI assistant

Browser

No install

Open a URL and start a pattern.

Precision

Millimeter layout

Adjust lines and stitch marks against real measurements.

Output

Save, then print

Reopen a saved pattern and download a PDF.

EXAMPLE

Patterns made in mizushi.

These are published patterns. You can save a PDF without an account. Copying one into the editor requires sign-in.

AI ASSIST

Start a draft in words.

The drawing assistant places lines from an instruction such as “make an 80×120mm rectangle.” You then check, move, and prepare it for print.

  • "Make an 80×120mm rectangle"
  • "Add a circle with a 5mm radius"
  • "Move the selected line 5mm to the right"

01 Draft

Describe the outline

The assistant reads the instruction and places rectangles, circles, and other outlines on the canvas.

02 Adjust

Set the size

Instructions that include numbers are turned into changes you can inspect.

03 Edit

Move a selected line

Moves, deletes, and trims can start from a sentence. Undo if the result is wrong.

FEATURES

Pattern tools on one canvas.

01 Canvas

Draw in the browser

Place points, connect lines, and shape leather parts without leaving the page.

02 Measure

Work in millimeters

Check lengths and line styles while you fit a piece to your size.

03 Export

Save and print

Keep an unfinished pattern, then print or publish it when it is ready.

WORKFLOW

Open, draw, and save.

The whole pattern workflow stays in the browser.

01 Open

Create an account

Enter the editor from a phone or computer browser.

02 Draw

Build the shape

Draw lines by hand, or ask the assistant for a draft.

03 Print

Save the pattern

Reopen it later and make the last adjustments before printing.

USE CASES

Where it fits.

Sketch on a phone, then finish the pattern on a computer.

01 Custom

Size a small leather good

Lay out a wallet, card case, or similar piece to your own measurements.

02 Sketch

Keep a rough idea

Start the outline when you think of it, and continue later.

03 Adjust

Adapt a published pattern

Look at a public pattern, then adjust your own copy before printing.

FAQ

Questions

What is mizushi?
mizushi is a browser app for designing, saving, and printing leathercraft patterns. No install is required. It works on phones and computers, and a signed-in drawing assistant can place a first draft from a written instruction.
Is it free?
Yes. Creating an account and the basic pattern tools are free. Published patterns can be viewed for free. The number of patterns you can create depends on the plan. The paid plan is ¥980 per month, tax included. See the pricing page for details.
Can I design on a phone?
Yes. Draw and save from a phone browser, then continue on a computer.
Can I print a pattern?
Yes. Download a saved pattern as a PDF and print it at 100% scale. Published patterns can also be downloaded without signing in. Downloading does not copy the pattern into your account.
Can AI draw a pattern?
After you sign in, the drawing assistant can place geometry from a written instruction. You still check and edit the result.
How do I contact you?
Use the contact page. The form and the reply are currently in Japanese.

GET STARTED

Start with one line.

Watch the assistant place a draft, then create a free account and continue in the editor.