tarn

Clayhaus saw a tight winter coming in spring.

A ceramics studio with a holiday peak and a quiet January used scenarios to time a $24,000 kiln, and has not drawn on its credit line since.

Industry
Ceramics studio and wholesale
Team
14 people
City
Portland, OR
On Tarn since
March 2023
Mara Lindqvist, owner of Clayhaus Ceramics

Mara LindqvistOwner, Clayhaus Ceramics

6 weeks
earlier warning on a cash dip
$40k
credit line they never had to draw
$24k
kiln bought without borrowing

A year that earns in ten weeks

Clayhaus makes tableware for about sixty independent shops and restaurants, plus its own online store. Roughly 70% of the year’s sales land between October and the week before Christmas. January and February are quiet, while clay, glaze, wages and the studio rent carry on as usual.

Mara kept the cash picture in a spreadsheet she updated on Sunday nights. It covered the next four weeks, and it was usually a little behind the bank. Twice in 2022 she drew on a $40,000 credit line at 11.5% to cover February payroll, both times with less than a fortnight’s notice.

Testing the kiln before buying it

Mara connected two Brightwater accounts, Ledgerly and Northwind Payroll in one afternoon. The first forecast showed week 19 dipping to $138,600, under the $150,000 floor she had set, right where the kiln deposit was due.

Instead of cancelling the order, she opened a scenario and moved the deposit two weeks later. Every week stayed above the floor. She called the supplier the same day, and they agreed to the new date without a fee.

Scenarios · Clayhaus CeramicsWeeks 14 to 26
Lowest week
$138,600$161,200
Weeks under the floor
2None
Clayhaus scenario view. Moving the kiln deposit to week 21 keeps every week above the $150k floor.

“The kiln was the biggest thing we had bought in five years. I signed for it on a Tuesday afternoon, because I could see exactly which week it would land in.”

Mara LindqvistOwner, Clayhaus Ceramics

What changed in the first year

The Monday cash email replaced the Sunday spreadsheet. Mara now sees a tight week about eight weeks out instead of two, which is enough time to move a supplier payment, chase a stockist or bring a wholesale invoice forward.

Clayhaus went through the 2024 and 2025 winters without touching the credit line, and the studio’s accountant now works from the same forecast when planning the quarterly tax set-aside.

The numbers, before and after.

Measured by Mara and the Clayhaus team, comparing the year before Tarn with the year since.

Weekly cash reviewBefore Tarn3 hours on a SundayWith Tarn20 minutes on Monday
Forecast horizonBefore Tarn4 weeksWith Tarn18 months
Warning before a tight weekBefore TarnAbout 2 weeksWith Tarn8 weeks
Credit line draws a yearBefore Tarn2With Tarn0

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