Generate custom exposure test grids for SLA and DLP 3D printers. Easily calibrate resin settings, print times, and print quality with this free online tool.
AI Generation Prompt
SLA Resin Exposure Calibration Grid Generator
Overview
A high-performance, browser-based utility designed for 3D printing enthusiasts to generate custom exposure calibration matrices. This tool creates precise geometric grids that help users determine the ideal exposure time for any resin and printer combination.
Technical Implementation Constraints
- Architecture: Single-file HTML/CSS/JS. All logic, styling, and assets contained within one file.
- Storage: STRICTLY FORBIDDEN. No localStorage, sessionStorage, or IndexedDB. Use in-memory state variables only.
- Popups: No browser alerts/prompts. Use custom HTML/CSS modals.
- Compatibility: Designed to work within sandboxed iframes (null origin).
- Design: Strict light-mode aesthetic (Clean whites, soft grays, vibrant primary color accents).
Feature Set
- Dynamic Grid Configuration: User-defined rows and columns.
- Exposure Increment Logic: Input start exposure time, step duration, and total number of increments.
- Shape Library: Selection of common test shapes (solid cubes, hollow pins, bridge supports, and overhang detail).
- Visual Preview: A real-time 3D rendered preview using
Three.js(via CDN). - File Export: Generate an STL/OBJ file for immediate import into slicers.
- Responsive Interface: Adaptive sidebar for settings, main container for preview.
UI Layout
- Header: Clean, minimalist title and description.
- Main Workspace:
- Left Sidebar (Inputs): Grid dimensions, start time, step time, shape selection, download button.
- Center Panel (Preview): A large 3D canvas rendering the current configuration.
- Right Sidebar (Instruction/Legend): Explanatory text on how to read the grid results.
Color Palette
- Background:
#FFFFFF(Main) and#F8FAFC(Panels). - Text:
#1E293B(Primary) and#64748B(Secondary). - Accent (Buttons/Highlights):
#3B82F6(Action Blue). - Borders/Dividers:
#E2E8F0.
Animations & Micro-interactions
- Button Interactions: Smooth scale transition (0.98 active state) with shadow lifting on hover.
- Preview Updates: CSS opacity fade-in/out when regenerating the grid geometry.
- Responsive Reflow: Smooth transition between sidebar-layout and stacked-layout for mobile viewports using CSS Grid/Flexbox.
Developer Instructions
- Use a CDN-based library like
Three.jsfor 3D rendering. - Implement STL/OBJ export functionality using
Blobobjects for direct download. - Ensure all UI elements are touch-friendly with minimum hit targets of 44px.
- Focus on a professional "SaaS" aesthetic with soft shadows (using
box-shadow) and clean typography (e.g., Inter or system fonts).
Spread the word
Files being used
Frequently Asked Questions
Everything you need to know about using this application.
Why is an exposure calibration grid necessary for SLA 3D printing?
An exposure calibration grid is essential because different resins react uniquely to UV light wavelengths and intensities. By printing a grid with varied exposure times, you can visually identify the optimal settings that balance print detail, surface finish, and structural integrity for your specific printer and resin combination. Using a calibrated grid prevents common issues such as print failures, resin adhesion problems on the FEP film, and loss of dimensional accuracy. It serves as a scientific baseline to ensure your settings are tuned for the best possible print quality without wasting large amounts of material.
Does this tool save my exposure settings or configuration data?
This application operates entirely within your browser's memory and does not utilize local storage, cookies, or external databases. Consequently, all configuration data is cleared as soon as you refresh or close the page, ensuring full privacy and data security. Because the tool is designed to work in a sandboxed environment, it relies on real-time state management. You should ensure that you export your generated files immediately after creation, as settings will not persist between sessions.
Is the output file compatible with all 3D printing slicers?
Yes, this tool generates standard 3D geometry files (such as OBJ or simple STL structures) that are universally compatible with major 3D printing slicer software including Chitubox, Lychee Slicer, and PrusaSlicer. Once imported, you can treat these as standard models to apply your printer-specific slicing settings. Because the exported file contains the geometric grid structure, you have full control over the slicing process. Simply import the file into your preferred slicer and assign the relevant exposure increments to each column as defined by the layout generated by our tool.
Can I use this tool on a mobile device?
Absolutely. This tool is built with a responsive design that adapts to various screen sizes, allowing you to configure your grid parameters comfortably on a tablet, laptop, or desktop computer. The user interface utilizes a fluid layout that ensures readability and ease of use regardless of the device you are using. While the generation of 3D geometry is a computationally intensive task, modern mobile browsers are fully capable of handling the required processing. Simply input your desired parameters, preview the grid layout, and download your file directly to your device for immediate transfer to your slicing software.
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