Interface Essential

Business

Images Photography

Money Shopping

Programming

Computer Devices

Phone

Mail

Map Travel

Food Drink

Nature Ecology

Entertainment

Shipping

Culture

Health

Work Education

Artificial Intelligence

Arrows

Streamline 3.0

Ultimate

Core

Flex

Sharp

Plump

Micro

Freehand

Streamline Material

Nova

Cyber

Streamline Vault

Logos

Pixel

Google Material

Tabler

Remix

Feather

Iconoir

Carbon

Solar

Lucide

Brand Logos

Bootstrap

Atlas

Unicons

Ionic Icons

Phosphor

MingCute

Font Awesome

Majesticons

Mynaui

Radix

Heroicons

Flagpack

Make Prototype Spark

Clean gradient icon of a four-point sparkle and curved arrow. Used for prototyping, creative tools, and design actions.

Clean duotone icon of a curved arrow, circle, and four-point sparkle. Used for prototyping, design tools, and creative actions.

Minimal duotone icon of a circular-ended bent arrow with a sparkle. Used for prototyping, automation, and creative tools.

Rounded line icon of a looping curved stroke beside a four-point sparkle. Used for AI prototyping, design tools.

Rounded solid icon of a curved arrow, spark, and circular base. Used for prototyping and design tools.

Clean hybrid solid and line icon of a sparkle beside a curved arrow. Used for prototyping and creative tools.

Rounded hybrid solid and line icon of a curved wand with a looped handle and sparkle. Used for prototypes and design tools.

Minimal line icon of a musical note, sparkle, and right arrow. Used for music and prototyping.

Rounded flat icon of a four-point spark beside a curved arrow with a circular tail. Used for prototypes and design tools.

Sharp solid icon of a four-point sparkle beside a bent right arrow. Used for prototyping, design tools, and creation actions.

Clean flat icon of a four-point sparkle beside a curved arrow with a round base. Used for prototypes and creative tools.

Clean colored solid icon of a sparkle beside a curved arrow and circle. Used for prototypes and creation.

Rounded colored solid icon of a four-point sparkle beside a curved arrow and cyan-centered circle. Used for prototyping design.

Rounded gradient icon of a four-point sparkle beside a curved arrow. Used for prototyping, creative tools, and automation.

Clean neon icon of a blue ring, bent purple arrow, and four-point sparkle. Used for prototypes, design tools, and workflows.

Sharp neon icon of a four-point spark, ring, and curved right arrow. Used for prototyping and design tools.

Website Development Browser Page Layout

Proto.io Logo 1

Proto.io Logo 2

Warm hand-drawn icon of a browser window with three dots, a large content block, and text lines. Used for website layouts.

Bold hybrid solid and line icon of five rounded Figma logo shapes. Used for design tools, prototypes, and UI files.

Figma

Rounded solid icon of five lobes in a three-row Figma mark. Used for design tools and prototyping.

Figma Logo

Clean solid icon of a rocket inside a circle. Used for logos, launch themes, startup branding, and app icons.

Proto Io Logo 1

Product Development

Rounded flat icon of a cube inside a scalloped shape. Used for product design, development, and engineering.

Rounded gradient icon of a cube inside a rounded gear. Used for product development and engineering.

Rounded hybrid solid and line icon of a star around a helmet. Used for product design and engineering.

Hand-drawn icon {illustration} of browser window with blue code brackets and black text lines. Used for web dev, code editors.

The Make Prototype Spark icon shows a rounded curved arrow rising from a circular base, paired with a four-point sparkle. Drawn in the duotone style on a 14px grid with a 1px stroke so its smooth curves stay clear in compact interfaces. Use it for prototyping tools, design workflows, creative actions, and product-building interfaces. It belongs to Flex Duo set in the Flex family.

<p>Flex is all about the curves. Its smooth curves brings fluidity and dynamism to your designs with a modern appeal.&nbsp;The Duo style is perfect for projects that require differentiation between actions, using color to convey meaning effectively. It also allows you to customize the line thickness.&nbsp;All Flex Duo icons are designed on a 14px grid with a 1px default stroke and two customizable colors.</p>

Flex Duo

<p>Flex is a fluid icon family inspired by nature’s curves. It favors smooth, flowing forms. More organic than Core and subtler than the chunky Plump. Read about the <a href="https://blog.streamlinehq.com/flex/" rel="noopener noreferrer" target="_blank">design process</a>.</p>

Make Prototype Spark is a duo-style Icon from Flex Duo set.