STRUCTURED

Whiteboard Diagrams

Contributed by semih@mitte.ai

Improved by Laravel Company · 2026-09-07

Improved prompt:

Prototype: AI Startup Diagram in Elegant Whiteboard Style

Context:
You are an AI with expertise in visual design, architecture, and hand-drawn diagrams. Your task is to translate complex startup concepts into elegant, minimal hand-drawn diagrams reminiscent of a smart person's quick sketch on a whiteboard.

Core Philosophies:

  • Elegant Simplicity: Communicate clearly while using the lightest possible touch.
  • Architectural Mindset: Draw as if explaining an idea to a colleague, with the confidence of an architect or designer.
  • Clarity Through Restraint: Achieve precision without over-complicating the diagram.

Visual Foundation:

  • Canvas Structure: Outer background is pure white (#FFFFFF). The main card (95-98% of canvas) is nearly white (#FEFEFE), with no border or shadow. There is a subtle corner radius of 12-16px.
  • Aesthetic: The overall feel is light, airy, intellectual, and refined. The weight is delicate, everything feels thin and elegant. Generous white space prevails throughout.

Line Work Principles:

  • Thin and Delicate: Lines are fine and thin—like a 0.5mm pen or fine-tip marker. They are drawn quickly but skillfully with a sharp but slightly imperfect character.
  • Consistency: Line weights are uniform throughout the diagram. Sharp or slightly rounded corners are used, never bulky or chunky.

Color Palette:

  • Exact Colors:

    • Card background: #FEFEFE (almost white, flat, neutral)
    • Primary text: #020202 (near-black for text—crisp and readable)
    • Line gray: #4A4B4B (dark gray for all drawn lines, boxes, shapes—not pure black)
    • Accent blue: #2C68B7 (clear medium blue—for arrows, connectors, brackets, some labels)
    • Accent red: #B34952 (warm coral-red—for category labels, emphasis text)
    • Fill blue: #2C68B7 (same blue for small filled squares/shapes)
    • Fill gray: #4A4B4B (dark gray for filled grid cells)

  • Usage:

    • Text: Primary text in #020202 black, categories in #E54B54 red
    • Lines and shapes: All outlines in #4A4B4B gray—NOT black
    • Arrows and flow: #2C68B7 blue—thin and elegant
    • Fills: Small filled squares in blue or gray—never large solid areas

Typography:

  • Style: Elegant italic handwriting, weight is light to medium—never bold or heavy. The slant is natural italic lean, character is fluid and intelligent, like an architect's lettering.
  • Colors: Titles in #020202 black, italic. Category labels in #E54B54 red. Annotations in #2C68B7 blue or #020202 black.

Diagram Elements:

  • Boxes and Rectangles: Thin #4A4B4B gray outline (1-2px weight max), empty/transparent fill, slightly rounded or sharp corners, light, airy containers.
  • Grids and Matrices: Thin gray lines, small cells that may contain small filled squares or numbers, small squares filled blue or gray to show data.
  • Arrows: THIN, ELEGANT, SIMPLE—not chunky PowerPoint arrows. Thin #2C68B7 blue line (same weight as other lines), small, simple, minimal heads, like hand-drawn with a fine pen.

Visual Language:

  • Shapes Vocabulary: Thin outlined boxes (vertical or horizontal orientation), small matrices with tiny filled cells, simple dashed or bulleted items inside boxes, thin arrows connecting elements left-to-right.
  • Composition Patterns: 2-4 main elements arranged horizontally with arrows between, generous gaps between elements, rough but intentional alignment, titles above boxes, labels below or beside.
  • Proportions: Very thin lines in very open space, text is secondary, diagram dominates, mostly empty, fills are small accents.

Elegance Principles:

  • Lightness: Everything should feel like it could float away.
  • Restraint: Use the minimum to communicate the idea.
  • Refinement: Quality of line over quantity of elements.
  • Intelligence: Looks like a smart person drew it quickly.
  • Breathing: White space is as important as the marks.

Avoid:

  • Thick, heavy, bold lines
  • Chunky PowerPoint-style arrows
  • Block arrows or 3D arrows
  • Large solid filled areas
  • Dense, cluttered layouts
  • Bold or heavy typography
  • Drop shadows or gradients
  • Corporate clip-art aesthetic
  • Rounded bubble shapes
  • Any line weight that feels 'heavy'
  • Pure black (#000000) for lines—use #4A4B4B gray
  • Decorative elements
  • Overly complex diagrams

Your Task:
Using this detailed style guide, create a diagram that illustrates the critical steps for building an AI startup by making something people want. The diagram should be:

  • Elegant and refined in style
  • Simple and minimal in content
  • Clearly communicating the key stages
  • Consistent with the provided aesthetic principles
  • No larger than necessary to fit the content

Output Format:

  • Provide the diagram as a high-resolution image
  • Ensure the diagram remains faithful to the described style
  • Do not use any decorative elements or clip-art
  • Include a brief text description (50-100 words) explaining the diagram's content and structure

Constraints:

  • The diagram must fit within a 1024x768 pixel area
  • No decorative elements or clip-art are allowed
  • The aesthetic must remain consistent with the provided guidelines
  • The diagram must clearly communicate the key steps for building an AI startup
Original prompt (before our improvements)

Steps to build an AI startup by making something people want: { "style": { "name": "Whiteboard Sketch Diagram", "description": "Transform any concept into an elegant hand-drawn diagram. Clean, minimal, architectural in feel—like a smart person's quick sketch on a whiteboard." }, "core_philosophy": { "essence": "Elegant simplicity—the lightest possible touch that still communicates clearly", "mindset": "An architect or designer explaining an idea with a fine pen", "goal": "Clarity through restraint and refinement" }, "visual_foundation": { "canvas_structure": { "outer_background": "#FFFFFF", "card": { "size": "95-98% of canvas—minimal white margin", "color": "#FEFEFE", "corner_radius": "12-16px subtle roundness", "shadow": "NONE", "border": "NONE" } }, "overall_aesthetic": { "feel": "Light, airy, intellectual, refined", "weight": "Delicate—everything feels thin and elegant", "space": "Generous white space everywhere" } }, "line_work": { "critical_principle": "THIN AND DELICATE—not bold, not heavy, not chunky", "quality": { "weight": "Fine, thin lines—like a 0.5mm pen or fine-tip marker", "character": "Architectural, precise but hand-drawn", "consistency": "Uniform thin weight throughout" }, "stroke_style": { "lines": "Thin, clean, slightly imperfect", "corners": "Sharp or slightly rounded, never bulky", "feel": "Drawn quickly but skillfully" } }, "color_palette": { "exact_colors": { "card_background": { "hex": "#FEFEFE", "description": "Almost white, flat, neutral" }, "primary_text": { "hex": "#020202", "description": "Near-black for text—crisp and readable" }, "line_gray": { "hex": "#4A4B4B", "description": "Dark gray for all drawn lines, boxes, shapes—NOT pure black" }, "accent_blue": { "hex": "#2C68B7", "description": "Clear medium blue—for arrows, connectors, brackets, some labels" }, "accent_red": { "hex": "#B34952", "description": "Warm coral-red—for category labels, emphasis text" }, "fill_blue": { "hex": "#2C68B7", "description": "Same blue for small filled squares/shapes" }, "fill_gray": { "hex": "#4A4B4B", "description": "Dark gray for filled grid cells" } }, "usage": { "text": "Primary text in #020202 black, categories in #E54B54 red", "lines_and_shapes": "All outlines in #4A4B4B gray—NOT black", "arrows_and_flow": "#2C68B7 blue—thin and elegant", "fills": "Small filled squares in blue or gray—never large solid areas" } }, "typography": { "style": { "type": "Elegant italic handwriting", "weight": "Light to medium—never bold or heavy", "slant": "Natural italic lean", "character": "Fluid, intelligent, like architect's lettering" }, "colors": { "titles": "#020202 black, italic", "category_labels": "#E54B54 red", "annotations": "#2C68B7 blue or #020202 black" } }, "diagram_elements": { "boxes_and_rectangles": { "stroke": "THIN #4A4B4B gray outline—1-2px weight max", "fill": "Empty/transparent—never solid filled large boxes", "corners": "Slightly rounded or sharp, hand-drawn", "style": "Light, airy, not heavy containers" }, "grids_and_matrices": { "stroke": "Thin gray lines", "cells": "Small—may contain small filled squares or numbers", "fills": "Small squares filled blue or gray to show data" }, "arrows": { "critical": "THIN, ELEGANT, SIMPLE—not chunky PowerPoint arrows", "stroke": "Thin #2C68B7 blue line—same weight as other lines", "heads": "Small, simple, minimal—just two short angled lines forming a point", "style": "Like hand-drawn with a fine pen, not a thick marker", "types": [ "Simple thin straight arrows", "Thin curved arrows for flow", "Never: block arrows, 3D arrows, gradient arrows, thick arrows" ] }, "brackets": { "style": "Thin hand-drawn curly braces in blue", "weight": "Same thin line weight as everything else" }, "dots_and_markers": { "style": "Small filled circles or squares", "size": "Tiny—proportional to the thin line aesthetic", "colors": "Blue or red for emphasis" } }, "visual_language": { "shapes_vocabulary": { "rectangles": "Thin outlined boxes—vertical or horizontal orientation", "grids": "Small matrices with tiny filled cells", "lists": "Simple dashed or bulleted items inside boxes", "flow": "Thin arrows connecting elements left-to-right" }, "composition_patterns": { "typical_layout": "2-4 main elements arranged horizontally with arrows between", "spacing": "Generous gaps between elements", "alignment": "Rough but intentional alignment", "hierarchy": "Titles above boxes, labels below or beside" }, "proportions": { "line_weight_to_space": "Very thin lines in very open space", "text_to_diagram": "Text is secondary, diagram dominates", "fill_to_empty": "Mostly empty, fills are small accents" } }, "elegance_principles": { "lightness": "Everything should feel like it could float away", "restraint": "Use the minimum to communicate the idea", "refinement": "Quality of line over quantity of elements", "intelligence": "Looks like a smart person drew it quickly", "breathing": "White space is as important as the marks" }, "avoid": [ "Thick, heavy, bold lines", "Chunky PowerPoint-style arrows", "Block arrows or 3D arrows", "Large solid filled areas", "Dense, cluttered layouts", "Bold or heavy typography", "Drop shadows or gradients", "Corporate clip-art aesthetic", "Rounded bubble shapes", "Any line weight that feels 'heavy'", "Pure black (#000000) for lines—use #4A4B4B gray", "Decorative elements", "Overly complex diagrams" ] }