blending - Illustrator blend tool creating unwanted lines

I am attempting to create a long shadow on my icon by using this effect in Illustrator. When I use Object > Blend > Make it leaves white spaces between each shape it creates and looks extremely ugl

Illustrator Blend Tool tips and tricks - Jayhan Loves Design & Japan

Blend Tool Illustrator Tutorial

Blend Mode Helper Map - Overview

logo - (illustrator) using blend tool to blend from a curve to hard angled shape - Graphic Design Stack Exchange

Icon Tutorial: Playful design for your business mobile app

The Ultimate Guide to Blending Modes in After Effects

Blending Objects

adobe illustrator - How do you use the blending tool on a curved object? - Graphic Design Stack Exchange

My blending tool on Illustrator creates these unwanted gray lines : r/AdobeIllustrator

Isolation Blending in Adobe Illustrator - Layers Magazine

Corel DESIGNER Help Exploring the toolbox

Blending lines problem - Adobe Community - 10503586

Blend Tool Illustrator Line Art Tutorial

Simple Yet Stunning: How To Create Artwork with Illustrator's Blend Tool.