Realistic visualizations of exteriors and interiors

Interior and exterior visualization services for architects, developers and designers.

Exterior architectural sketch of a modern wooden house with flat roof and large windows surrounded by trees. Minimalist 3D rendering of a rectangular house with wooden facade and open terrace area. 2D landscape plan of hotel territory showing pedestrian paths and greenery zones. Photorealistic visualization of an eco house with patio and panoramic glass in a forest environment. Sustainable architecture 3D render showing clean lines, wooden textures and natural integration.
Olga Demianchenko — international architectural visualizer with a focus on realistic, fast and client-oriented 3D rendering. Portfolio of freelance architectural visualizer with experience in Australian suburban homes. 3D architectural visualizations and 2D sketches for clients in Australia, including Melbourne, Sydney, and Brisbane. Photorealistic exterior renderings for residential developments and architectural tenders. Visualization services tailored for Australian modern design trends and sustainable housing. Exterior sketches, interior renders, and isometric design illustrations optimized for investor presentations and client approvals worldwide.
Modern house with panoramic windows. Exterior visualization for architectural projects
Professional 3D rendering and architectural sketches for architects, interior designers, developers, and home builders in New Zealand. Visual support for concept design, building consent, and marketing materials — especially useful for residential and small-scale commercial projects. Realistic exterior views, floor plan sketches, and interior mood visuals created for projects in Auckland, Hamilton, Queenstown, and beyond. Helping New Zealand architects and design studios save time with fast, clear, and adaptable visualizations that improve client communication. Olga Demianchenko creates detailed 3D illustrations tailored to modern NZ design trends, sustainable housing concepts, and investor presentations. Ideal for showcasing custom homes, passive house projects, and eco-conscious developments at early planning stages. Services include exterior sketches, interior perspectives, isometric views, and quick visual drafts to support real estate proposals and tenders. Working with professionals who need accuracy, fast turnaround, and visuals that reflect local materials, light, and design style in the New Zealand market.
3D visualization of an interior with a garden view, designer furniture and natural light
3D rendering and architectural sketching services for architects, interior designers, real estate developers, and home builders across Argentina. Support for early-stage presentations, client approvals, building permits, and investor pitches in Buenos Aires, Córdoba, Mendoza, and other regions. Clear and expressive visualizations that help design teams communicate ideas faster and improve decision-making at concept stages. Olga Demianchenko offers exterior illustrations, interior perspectives, and isometric sketches tailored to the local architecture and construction styles in Argentina. Visual storytelling for residential buildings, boutique developments, eco homes, and urban renovations. Flexible rendering options for housing projects, commercial spaces, and custom homes built with regional materials and lighting conditions. Ideal for marketing brochures, digital portfolios, and planning submissions — especially when visual clarity and speed are essential. Trusted by professionals who value detail, fast delivery, and visuals that resonate with both clients and stakeholders in the Argentinian construction market.
Architectural sketch of a cottage village with landscape design. 2D site plan and landscaping

I create realistic and impactful 3D visualizations and architectural illustrations for architects, developers, and interior designers.

Every project reflects your vision, combining detailed craftsmanship and creativity. From initial 2D sketches to final photorealistic renders—I help clearly communicate your ideas to clients, investors, and stakeholders.

Save time, impress your clients, and boost your project’s visibility with efficient workflows and high-impact visuals.

Modern architectural rendering of a private house with panoramic windows, an open terrace and a stylish recreation area. Minimalistic design with natural materials, glass partitions and a green landscape around. The space includes a lounge area with wicker furniture, a cozy dining area and an interior in neutral tones. The architectural visualization demonstrates a harmonious combination of nature and modern architecture.
Modern architectural rendering of private house with panoramic window
A 3D-rendered aerial view of a modern eco-friendly lakeside residential complex. The project features minimalist wooden cabins with large windows, integrated into a lush green landscape. The layout includes pedestrian pathways, landscaped gardens, and a communal area with amenities. This architectural visualization highlights the harmony between contemporary design and nature, making it an attractive concept for sustainable living.
A 3D-rendered aerial view of a modern eco-friendly lakeside residentia

About me

Portfolio 3D vizualizator Olga Demianchenko

My name is Olga.

I am an architectural illustrator, helping architects, developers, and designers visualize their ideas. My services allow clients to see their projects in detail and present the future result to their customers.

You can write me:

olademarch@gmail.com

From fast architectural sketches to polished 3D visuals — every stage crafted to accelerate your workflow and client approval.

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