Normal Distribution with Two Standard Deviation Marks

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The Normal Distribution with Two Channels on Each Side at One and Two Standard Deviations Out from the Mean. I'm Sorry for the Poor-Quality Pictures, as I Struggle to Capture Good Lighting. My Previous File Should Give a Better Reference Point: https://www.thingiverse.com/thing:1381014 Print Settings: Printer Brand: LulzBot Printer Model: TAZ 4 Raft Setting: Doesn't Matter Supports: No Resolution: .5mm Infill Percentage: Unsure Notes: I Highly Recommend Using a Brim for This Print. To Do So, Simply Select the Brim Checkbox from Cura's Simple Printing Settings. The Brim Width is Typically 5mm. Post-Printing Instructions: Remove the Brim Once the Print is Complete. The Brim Will be Attached to the Edges and Some will Fill the Channels. Using Tweezers to Peel it Off is Relatively Easy. Design Process: I Remixed a Young's "Normal Distribution Sliced to Show '68-95-99.7 Rule'" Model by Removing the Numbers and Splitting the Pieces Before Sticking Them Together.