blog – Dr. Elizabeth Pankratz

Power analysis with `mixedpower` for linear mixed models (workshop materials)

Stats

Resources

This post covers the power analysis workshop I’m running in Prof. Holly Branigan and Prof. Martin Pickering’s lab meeting on 17 March, 2026.

Keys + cards + airtag leather wallet (free pattern)

Leatherwork

Patterns

I wanted a simple wallet that would hold my day-to-day cards and keys, as well as an airtag. This post shares a downloadable PDF of the pattern I came up with.

Shoemaking step-by-step

Shoemaking

A post for reference! This is a checklist of every step in my process for making hand-welted leather boots and shoes.

It takes 242,516 minutes to do a PhD

PhD

That’s 4041 hours and 56 minutes! I tracked all my work time during the PhD, and now that it’s done, I can finally crunch the numbers.

Handmade derby boots 5: Midsoles and outsoles

Shoemaking

The final step before the boots take their first! ✨

Handmade derby boots 4: Lasting and welting

Shoemaking

The two parts of shoemaking that I find the most challenging happen back to back! But they’re also probably the most rewarding.

Handmade derby boots 3: Preparing insoles and welts

Shoemaking

In which I slice and dice the veg tan leather that’ll go under the sole and around the outer edge of each boot.

Handmade derby boots 2: ‘Clicking’ and ‘closing’

Shoemaking

Less jargonly known as ‘cutting out the pattern pieces’ and ‘sewing them together’.

Handmade derby boots 1: Drafting the pattern

Shoemaking

In a series of posts, I’m going to share my process for crafting a pair of handsewn, hand-welted leather derby boots.

Doctors hate this one weird synthesis matrix trick

PhD

Resources

Not a lot of what I did in the first year of my PhD was a great use of time… but I did create a darn good setup for managing my literature that’s paying off years later.