---
product_id: 299837873
title: "Golden Ratio Grid Sketchbook | Fibonacci Sequence 1.618: Golden Ratio Tool for New Mathematics Art, and Architecture Design. (Graph Paper Notebooks)"
brand: "blfactory"
price: "¥3093"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/299837873-golden-ratio-grid-sketchbook-fibonacci-sequence-1-618-golden-ratio
store_origin: JP
region: Japan
---

# Golden Ratio Grid Sketchbook | Fibonacci Sequence 1.618: Golden Ratio Tool for New Mathematics Art, and Architecture Design. (Graph Paper Notebooks)

**Brand:** blfactory
**Price:** ¥3093
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Golden Ratio Grid Sketchbook | Fibonacci Sequence 1.618: Golden Ratio Tool for New Mathematics Art, and Architecture Design. (Graph Paper Notebooks) by blfactory
- **How much does it cost?** ¥3093 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/299837873-golden-ratio-grid-sketchbook-fibonacci-sequence-1-618-golden-ratio)

## Best For

- blfactory enthusiasts

## Why This Product

- Trusted blfactory brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Golden Ratio Grid Sketchbook | Fibonacci Sequence 1.618: Golden Ratio Tool for New Mathematics Art, and Architecture Design. (Graph Paper Notebooks)

## Images

![Golden Ratio Grid Sketchbook | Fibonacci Sequence 1.618: Golden Ratio Tool for New Mathematics Art, and Architecture Design. (Graph Paper Notebooks) - Image 1](https://m.media-amazon.com/images/I/6133zfk6+hL.jpg)
![Golden Ratio Grid Sketchbook | Fibonacci Sequence 1.618: Golden Ratio Tool for New Mathematics Art, and Architecture Design. (Graph Paper Notebooks) - Image 2](https://m.media-amazon.com/images/I/31wrfDg9X-L.jpg)

## Frequently Bought Together

- Golden Ratio Grid Sketchbook | Fibonacci Sequence 1.618: Golden Ratio Tool for New Mathematics Art, and Architecture Design. (Graph Paper Notebooks)
- The Golden Ratio: The Divine Beauty of Mathematics

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**Shop now:** [https://www.desertcart.jp/products/299837873-golden-ratio-grid-sketchbook-fibonacci-sequence-1-618-golden-ratio](https://www.desertcart.jp/products/299837873-golden-ratio-grid-sketchbook-fibonacci-sequence-1-618-golden-ratio)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-03*