UD5 Toolkit
Tesseract Rotation Simulator – Online 4D Cube Projection
A wireframe 3D projection of a rotating tesseract. Drag to rotate in 4D. Fascinating mathematical art.
Tessellation Maker - Online M.C. Escher Style Tiling
Tessellation Maker
Drag the slider to add/remove control points (resets shape).
A tessellation (or tiling) is a pattern of shapes that fit together without any gaps or overlaps, covering a plane. They are often studied in geometry and art.
You edit the top and left edges of a square. The opposite edges are automatically mirrored so the shape can tile perfectly. Drag the control points on the highlighted base cell to create unique shapes.
Maurits Cornelis Escher was a Dutch graphic artist known for his mathematically inspired woodcuts, lithographs, and mezzotints. His work features impossible constructions, explorations of infinity, and tessellations of interlocking figures like birds, fish, and lizards.
Yes! Click the "Download PNG" button to save your tessellation as a high-quality PNG image.
The small circular handles on the base cell (first tile) let you modify the top and left edges. Drag them to create interlocking shapes — the other tiles update automatically.
Fractal Tree Drawer - Online Recursive Art & Chaos Game
Generate a beautiful fractal tree with adjustable depth, angle, and color. Watch it draw branch by branch. Relaxing and educational.
Quilt Pattern Previewer - Online Fabric Layout Visualizer
Arrange virtual fabric squares or triangles on a grid to preview a quilt pattern. Change colors and sizes. Export layout.
Image to Cross Stitch Pattern - Online Convert Photo to Grid
Upload a photo and convert it to a pixelated cross-stitch pattern with DMC floss color matching. Adjust size and color count. Local processing.
Image to Embroidery Pattern - Online Cross‑Stitch Chart
Convert a photo into a color‑reduced embroidery or cross‑stitch pattern with DMC thread colors. Adjust size and palette. Print chart.
Crystal Grid Layout Maker - Online Sacred Geometry Tool
Design a crystal grid by placing crystals on a sacred geometry template. Add notes. Screenshot your layout. Spiritual/art.
Pixel Art Coloring Book – Online Click to Fill Grid Cells
Choose a pre-drawn pixel outline and fill cells with colors. Save your masterpiece. Meditative fun.
Image to Color Squares - Online Abstract Block Art
Reduce an image to large colored squares. Create bold, minimalist wall art. Adjust block size. Download PNG.
Calligraphy Practice Paper Generator - Online Slant Guide Sheet
Generate and print custom calligraphy practice sheets with adjustable x-height, slant angle, and base line. Perfect for copperplate or Spencerian.
Perspective Grid Generator - Online Drawing Reference
Create 1-point, 2-point, or 3-point perspective grids. Adjust vanishing points and grid spacing. Useful for artists and architects.
Spirograph Simulator - Online Hypocycloid Drawing Tool
Create beautiful Spirograph patterns by adjusting circle radii and pen position. Change colors and save as PNG. Relaxing math art.
Polybius Square Cipher Tool – Online Encode & Decode
Encrypt or decrypt text using the classical 5x5 Polybius square. Excludes J or merges I/J.
Text to ASCII Drawing - Online Simple Diagrams
Create simple ASCII diagrams (arrows, boxes, trees) using a visual editor. Copy the plain text art. For comments and docs.
Random Sketch Idea - Online Drawing Prompt Generator
Click for a random drawing or sketching idea. Characters, objects, scenes. Beat artist's block. All local.
WebGL Fluid Simulation - Online Interactive Ink Drop
Move your mouse to create colorful ink swirls in a simulated fluid. Beautiful and mesmerizing. No install. Just WebGL.
Visual Garden Bed Grid Planner – Online Drag & Drop Plants
Draw a raised bed and drag plant icons to arrange them. See spacing requirements. Print layout.
Mat Border Proportion Calculator – Online Golden Ratio & Standard
Enter frame and art size to get equal or weighted mat borders. See a golden ratio option for an artistic touch.
Jigsaw Puzzle Size Calculator – Online Table Size for Pieces
Enter piece count and piece size to estimate finished dimensions. Check if it fits your table.
Color by Number Generator - Online from Photo to Paint-by-Numbers
Upload an image and convert it into a paint-by-numbers outline with numbered palette. Adjust complexity. Print and paint. Local processing.
CSS Grid Layout Generator - Online Visual Grid Builder
Build CSS Grid layouts by defining columns, rows, and gaps visually. Get the complete grid CSS code. An essential web design tool running in the browser.
ASCII Table Printer - Online Generate Custom Table
Enter rows of data and create a nicely formatted ASCII table using box‑drawing characters. Great for CLI apps.
Molecular Geometry Viewer - Online VSEPR 3D Sketch
Select bonding and lone pairs to see the predicted shape (trigonal bipyramidal, octahedral). Static diagrams.
3D RGB Color Cube - Online Interactive Space
Explore the RGB color space as a rotatable 3D cube. Pick a color directly from the volume. Drag to rotate. Canvas 3D.
Photo to Pencil Sketch - Online Realistic Effect
Turn any photo into a greyscale pencil sketch. Adjust detail level and darkness. Download your artwork. Local canvas filter.
Escape Room Puzzle Generator – Online DIY Game Ideas
Generates simple puzzle ideas (cipher, hidden messages) that can be printed for home escape rooms.
Houdini Paint Perspective Cube - Online CSS Art
A paint worklet that draws a moving 3D cube. See Houdini in action and copy the JS file. Modern CSS magic.
Tetris Game - Online Classic Block Puzzle
Enjoy classic Tetris in your browser. Rotate, move, and drop tetrominoes. Clear lines and score. Fully local JavaScript.
Grid Drawing Tool - Online Overlay on Photo for Copying
Overlay a grid on any image to help you draw it freehand. Adjust grid size and line thickness. Useful for artists.
Knitting Gauge Calculator – Online Swatch to Stitches
Enter swatch dimensions and stitches to get gauge. Then calculate cast-on for desired finished size.
Bingo Card Creator - Online Custom & Printable Cards
Enter a list of words or phrases and generate unique, printable bingo cards. Perfect for icebreakers and classrooms.