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Entering V and H cut values (positive and negative) 5.2.6   oval method   When recording oval cuts in Spectre Cloud, each hole's oval is described by two directional values — a V (vertical) cut and an H (horizontal) cut. These values can be entered as posit...

Confirming cuts using the arrow-down key 5.2.7   oval method   After entering V and H cut values for a row in the Oval Calculator, Spectre Cloud provides a quick keyboard shortcut to confirm the entry and move to the next field or row — the arrow-down key. ...

Worked example: full V/H oval from start to finish 5.2.8   TIP   example   This page walks through a complete, real-world oval calculation from first opening the Oval Calculator to the finished values recorded on a spec sheet. It brings together all the con...

Setting up: Oval Cut Direction = H in Settings 5.3.1   CALC   oval method   Before using the Oval Calculator in horizontal-cut mode, Spectre Cloud needs to know that your shop measures and records ovals with the horizontal dimension listed first. The Oval C...

When to use H-only mode and which drill presses it suits 5.3.2   oval method   H-only mode in Spectre Cloud's Oval Calculator is designed for drilling workflows where the oval cut is made exclusively on the horizontal axis — side to side across the hole — w...

Entering H-only cut values and reading output 5.3.3   oval method   Once your Oval Cut Direction is set to H and you have confirmed that your drill press setup produces a pure horizontal cut (see 5.3.2), entering the cut value in Spectre Cloud is straightfo...

Worked example: H-only oval 5.3.4   TIP   example   This page walks through a complete H-only oval calculation from opening the Oval Calculator to finished values ready for the spec sheet. It covers a realistic scenario where a pure horizontal cut is the ri...

Setting up: Oval Cut Direction = V in Settings 5.4.1   CALC   oval method   The third Oval Cut Direction option in Spectre Cloud is V — a pure vertical-only configuration that records and displays ovals with the vertical dimension only, without a paired hor...

When to use V-only mode 5.4.2   oval method   V-only mode is the right configuration when your drilling workflow consistently produces a stretch on the vertical axis alone — toe to heel — with no measurable horizontal component, and when your documentation ...

Entering V-only cut values and reading output 5.4.3   oval method   With Oval Cut Direction set to V and your press confirmed to produce a pure vertical stretch, entering a V-only cut in the Oval Calculator is the most streamlined input workflow Spectre Clo...

How to input a finger oval measurement (no inserts)                                 For bowlers who do not use finger inserts, the oval measurement captures the natural shape of each finger hole needed to achieve a comfortable, secure fit. Because fingers ar...

Ring Finger 5/16" rule — auto and manual calculation                                     When setting up a spec sheet, the ring finger span is rarely measured independently from scratch. Instead, it is derived from the middle finger span using the 5/16" Rin...

Setting up: Oval Cut Direction = NONE in Settings 5.5.1   oval method   Before using the Oval Calculator, Spectre Cloud needs to know how your drill press handles oval cuts. The Oval Cut Direction setting tells the app which axis your press moves along when...

Using the oval cut chart to determine cuts manually 5.5.2   oval method   When your Oval Cut Direction is set to NONE, Spectre Cloud does not auto-suggest directional oval measurements. Instead, you determine the correct oval cut size yourself using the ova...

When NONE mode is preferable (experienced fitters, custom setups) 5.5.3   oval method   Spectre Cloud's Oval Cut Direction = NONE mode is not just a fallback for shops without directional drill presses — it is also the preferred working mode for many experi...

EDGE method explained — how pitch is placed at edge of oval 5.6.1   pitch   The EDGE method is one of the core calculation approaches available in Spectre Cloud's Oval Calculator. It determines where pitch is applied relative to the oval cut by placing the ...

CENTER method explained — how pitch is placed at center of oval 5.6.2   pitch   The CENTER method is the second oval calculation approach available in Spectre Cloud's Oval Calculator. Where the EDGE method anchors pitch to the leading edge of the oval cut, ...

EDGE with and without Add Pitch Thumb — comparison 5.6.3   pitch   When using the EDGE method in Spectre Cloud's Oval Calculator, a secondary option becomes relevant: Add Pitch Thumb. This setting controls whether the thumb hole's pitch is factored into the...

CENTER with and without Add Pitch Thumb — comparison 5.6.4   pitch   Just as the EDGE method can be run with or without the Add Pitch Thumb option, the CENTER method offers the same choice. The underlying question is identical — should the thumb's pitch val...

Choosing EDGE vs. CENTER: which method fits which bowler? 5.6.5   TIP   guide   With four calculation configurations available in Spectre Cloud's Oval Calculator — EDGE and CENTER, each with or without Add Pitch Thumb — the practical question every operator...