What type of presentations is the Cartesian deck best suited for?

The Cartesian deck is ideal for formal presentations such as thesis defenses, academic reports, and investment theses, where a restrained and professional design is necessary.

Can I customize the design elements of the Cartesian deck?

While you can replace the content, it is important to maintain the design system, including fonts, colors, and layout, to preserve the integrity of the presentation.

How do I adjust the length of my presentation using this skill?

You can adjust the length by duplicating existing slide layouts if you have more content or removing slides from the bottom if you have less.

Is this deck suitable for all types of audiences?

This deck is best for audiences expecting a formal presentation. It may not be effective for audiences looking for more dynamic or visually stimulating content.

What should I do if I need a layout that is not included in the template?

If you need a different layout, you should design it from scratch using the same fonts, palette, and decorative vocabulary to maintain consistency.

Cartesian Presentation Deck

Name: Cartesian Presentation Deck
Availability: InStock
Author: nexu-io

Free

Create elegant HTML presentations for academic defenses.

by nexu-io84.9k stars on nexu-io/open-design

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Updated Aug 10, 2026

Get this skill

Free · Opens the source repo

What Cartesian Presentation Deck does

The Cartesian Presentation Deck is designed for users who need to create high-quality, formal presentations, particularly in academic or professional contexts. This skill provides a self-contained HTML template that emphasizes a quiet and neutral aesthetic, making it suitable for serious topics such as investment theses, white papers, and advisory reports. The design features a classic Playfair serif font and a warm-neutral color palette, ensuring that the content remains the focal point without unnecessary distractions.

To use the Cartesian deck, users should start by cloning the provided example.html file into their workspace. They can then replace the placeholder content with their own text, ensuring that they maintain the design system's integrity. This includes preserving the typography, color scheme, and decorative elements that are integral to the template's identity. The deck is structured to allow for easy adjustments in length by duplicating existing slide layouts or removing slides as needed, all while adhering to the established design principles.

This skill is particularly beneficial for students, academics, or professionals preparing for thesis defenses or presentations where a restrained and sophisticated visual approach is essential. It allows users to focus on the clarity of their arguments and findings, rather than on flashy design elements that might detract from the message. By following the workflow outlined in the skill, users can create polished presentations that convey professionalism and thoughtfulness.

However, it is important to note that this deck is not suitable for presentations that require vibrant visuals or a sense of urgency. The intentionally low-energy design may not be effective for topics that benefit from more dynamic or colorful presentations. Therefore, users should consider their content and audience carefully before opting for this particular template.

When to use it

Use this skill when preparing a presentation that requires a professional and understated design, such as for academic defenses or formal reports.

When not to use it

Avoid using this skill for presentations that need vibrant visuals or a dynamic feel, as the design is intentionally low-energy.

What you can build with it

Thesis Defense Preparation

Use the Cartesian deck to create a polished presentation for your thesis defense, ensuring your arguments are presented clearly and professionally.

Formal Business Reports

Prepare a formal slide deck for presenting investment theses or business advisory reports, focusing on clarity and professionalism.

Academic Conference Presentations

Utilize this skill to craft presentations for academic conferences, where a sophisticated and understated design is essential.

How to install Cartesian Presentation Deck

View source

1. Install with the skills CLI

npx skills add nexu-io/open-design/html-ppt-zhangzara-cartesian --agent claude-code

2. Or install it manually

Download the skill folder and drop it into ~/.claude/skills/ for all projects, or .claude/skills/ to scope it to one repo. Restart Claude Code so it picks up the new skill.

Anthropic's agentic coding CLI, and the reference implementation of Agent Skills. Drop a skill folder into ~/.claude/skills and Claude Code loads it automatically whenever a task matches the skill's description. Claude Code docs

Inside SKILL.md

Written by nexu-io

Cartesian

Quiet warm-neutral palette with classical Playfair serifs; tasteful and unhurried.

A single self-contained HTML deck — typography, palette, decorative system, and slide vocabulary are all tuned together. Mixing layouts across templates breaks the system; stay inside this one.

At a glance

Scheme: light
Formality: high
Density: low
Slides in demo: 10

Best for

Anything that should feel quiet, considered, and grown-up: investment theses, white papers, advisory work, longform research, gallery / cultural decks. Also a strong choice for editorial features, founder reflections, or any deck where restraint is the message — including across tech and finance.

Avoid for

Decks that need visual heat, multiple accents, or a sense of urgency — the warm-neutral palette is intentionally low-energy.

Workflow

Clone example.html into the user's workspace as the working file.
Replace placeholder content with the user's real headlines, body copy, numbers, names, dates, and section labels. Match existing dimensions when swapping image placeholders.
Preserve the design system. Never substitute fonts, recolor the palette, restructure the layout grid, or strip decorative elements (corner brackets, paper grain, geometric shapes, illustrated SVGs). They are part of the identity.
Adjust deck length by duplicating layouts. If the user has more content than the demo holds, duplicate an existing slide of the most appropriate layout. If less, drop slides from the bottom. Update page-number labels.
Designing missing layouts: if a slide needs a layout the template doesn't have, design it from scratch using the same fonts, palette, decorative vocabulary, spacing rhythm, and component grammar — never bail to a different template.
Keep the navigation runtime as shipped. If the deck ships an assets/deck-stage.js or inline keyboard handler, leave it intact.

Output contract

Emit between <artifact> tags:

<artifact identifier="zhangzara-cartesian" type="text/html" title="Deck Title">
<!doctype html>
<html>...</html>
</artifact>

Source & license

Vendored from upstream MIT-licensed zarazhangrui/beautiful-html-templates.

The full upstream MIT license text — including the original copyright notice — ships in this skill at LICENSE and must be redistributed alongside any copy of example.html, template.json, or any vendored assets/ runtime. See template.json for the upstream metadata snapshot.

Frequently asked questions about Cartesian Presentation Deck

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