Does Downrigger Weight Shape Matter? Round vs Pipe

I need to flare my pipes, and found a thread where they used a 4

Downrigger deal & Merc Kicker trolling

What Downrigger Weight to use for Trolling?

Cannon Retro Ease Downrigger Ball Retriever

Using downriggers - The Fishing Website

I found this cast iron object in my attic. (House circa 1740

Greenfield Cannonball Style Downrigger Weight PVC Coated, Black

Magnetically Adjustable Down Rigger Release

What Downrigger Weight to use for Trolling?

Using the Shuttle Hawk for downrigger fishing.

Pipe style downrigger weight - Questions About Trout & Salmon