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Founder

Alexander Knieps

Alexander Knieps is the Founder and CEO of Printulu. A Forbes 30 Under 30 recipient, he built Printulu into South Africa's leading online printing service with over 10,000 business clients. He writes about print strategy, entrepreneurship, and the future of South African SMBs.

Credentials

  • Forbes 30 Under 30 Africa
  • Founded Printulu in 2015
  • 10,000+ SA businesses served

Topics Covered

Print StrategyEntrepreneurshipMarketing ROIBusiness GrowthSA SMBs

46 articles published

PrintingGuides

A3 Paper Size: 297×420mm in cm, Inches & Pixels

A3 paper (297×420mm) is where print gets serious. Posters, architectural drawings, signage proofs — A3 is the format SA designers and businesses reach for when A4 just won't cut it. Here's the complete guide.

10 min read
PrintingGuides

A4 Paper Size: 210×297mm in cm, Inches & Pixels

A4 is the world's most used paper format — and the most misunderstood in SA. 210×297mm is just the start. This guide covers the full A-series system, SA-specific applications, GSM selection, and how to avoid the costly A4 mistakes that lead to reprints.

12 min read
PrintingGuides

A5 Paper Size: 148×210mm in cm, Inches & Pixels

A5 (148×210mm) is South Africa's most versatile print format. Flyers, brochures, invitations, notebooks — A5 carries your message where A4 can't go. The complete SA guide to getting the most from A5 print campaigns.

14 min read
PrintingGuides

Booklet Printing South Africa: The Complete 2026 Guide for SA Businesses

Booklet printing in South Africa: A4 vs A5, perfect binding vs saddle stitch, 80gsm vs 120gsm paper, and what each choice does to the cost. The complete guide to getting professional booklets that actually represent your business — without the premium agency markup.

17 min read
PrintingGuides

A4 vs A5 Paper Size: Which One Do You Actually Need?

A4 vs A5: the choice depends on content volume and portability. A4 is for documents, A5 is for portability. Here is the complete dimension guide and which print products use each.

8 min read
PrintingGuides

CMYK vs RGB: Why Your Design Looks Different in Print

CMYK vs RGB: RGB is for screens, CMYK is for print. The colour gamut difference causes designs to look washed out. Here is how to prepare your files correctly and avoid costly reprints.

11 min read
PrintingGuides

Digital vs Offset Printing: The Exact Break-Even Point

Digital vs offset: the break-even formula is simple once you have real SA pricing. Offset wins for 1,000+ units. Digital wins for short runs, variable data, and fast turnaround. Here is the complete guide.

10 min read
Printing TechniquesFAQs

Paper GSM Guide: Weight vs Thickness + Calculator

Your printer just asked 'what GSM do you need?' and you panicked. Most print suppliers count on that. Here's the brutal truth about paper weight — and how to never be played again.

11 min read
Small BusinessDesign Tips

The Hidden Cost of Cheap Printing in South Africa

That bargain printing job just cost your business more than it saved: reprints, lost clients and brand damage. Here's the real cost of cheap printing and why quality always wins in South Africa.

8 min read
Industry AnalysisMarket Research

Print Is Dead in South Africa: The Data Says Otherwise

Every year someone publishes a "print is dying" article. Every year, SA print volumes grow. Here's the data that's been misread for a decade — and the 4 forces reshaping South Africa's printing industry right now.

27 min read
Paper & Materials

Your Print Supplier's Ruler Is Lying to You: The A4 Myth

The truth about paper sizes in South Africa — foolscap isn't real, A4 isn't what you think, and why your print supplier laughed when you asked for "international A4." Complete guide with conversion tables and SA-specific sizing.

24 min read