Arttrezzi: Artist Toolbox

Plan & print canvas at 1:1 scale, large-format print, pick colors, mix paint, create palettes, add grids, guides & perspective, draw over images, filter & posterize.

Full App Store Description:

Arttrezzi – The Artist Toolbox

A creative companion for painters and visual artists.

Plan, scale, compose, and transfer your artwork with precision. Arttrezzi helps you turn reference photos into paint-ready layouts using grids, composition and perspective guides, drawing tools, color tools, and true 1:1 scale printing.

Built for painters, illustrators, art students, designers, and educators.

Free to download. A subscription unlocks all tools and features.

WHAT’S INSIDE

Canvas Studio Plan artwork at real-world scale: -Set custom canvas dimensions in inches -Choose adjustable grid sizes starting from 1 inch -Zoom into individual grid cells for detailed work

• Add grids directly over your reference
• Zoom, scale, rotate, and position reference images -Add Rule of Thirds, Golden Ratio, and other composition guides -Use perspective tools and adjustable perspective guides
• Move, resize, and position supported guides -Draw and sketch directly over your images -Convert images into line drawings or shaded sketches -Separate values from dark to light for better tonal control

Measurement & Calibration -Measure directly on your image -Enter real-world dimensions to rescale your reference -Automatically calibrate your canvas to match your intended size

• -Prepare references for accurate transfer -TRUE-TO-SCALE & LARGE-FORMAT PRINTING -Print layouts across multiple pages at exact 1:1 scale -Print directly to supported large-format printers -Tile oversized artwork across multiple standard pages when needed
• -Assemble pages into a full-size reference -Trace directly onto your surface or transfer using charcoal backing Save and reuse your layout projects anytime.

Color Picker Studio Explore colors from any image: -Select up to 10 color points -Get Gamblin paint-mix suggestions -View tint, tone, shade, RGB, HEX, CMYK, and HSV values -Explore complementary, analogous, and triadic relationships -Automatically detect dominant colors in your image -Save or print a color summary

Color Mixing Lab Explore paint mixtures: -Mix unlimited colors from the Gamblin oil paint catalog -Adjust mixing percentages -Use LAB comparison to match results -Create, save, and reuse your own custom color palettes -Get instructions for mixing colors

Note: Digital color and paint-mixing results are approximate and may vary from physical paint.

Channel Study · Color Filters Analyze value and composition: -Apply Red, Green, Blue, Yellow, Grayscale, and Black & White filters -Use Posterize and Pop Art modes to simplify images -Create value maps -Study tone and composition

Color Theory Studio Explore color relationships using a traditional color wheel: -Understand primary, secondary, and tertiary interactions -Mix up to four colors including black, white, and gray -Includes tonal scales and practical mixing guidance

Additional Features -Save Canvas and Color Picker projects -Print grids and color summaries -Import and export projects between iPad and Mac -Designed for real-world painting workflows

MADE FOR ARTISTS Use Arttrezzi to explore composition, check perspective, simplify values, study color, plan paint mixtures, scale references, draw over images, and create full-size references for transfer. Whether you're working on a small study or a large canvas, Arttrezzi keeps your essential planning tools together in one artist-focused workspace.

SUBSCRIPTION Arttrezzi is free to download. A subscription unlocks all tools and features.

Subscriptions renew automatically unless canceled at least 24 hours before the end of the billing period. Manage subscriptions in your Apple ID account settings.

SUPPORT & LEGAL For screenshots, support, and privacy policy: https://pixelchimpios.github.io/artist-toolbox/CanvasStudio/index.html

Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/